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200231000000 = 2656200231
BaseRepresentation
bin1011101001111010110…
…0101001011111000000
3201010211102221200220222
42322132230221133000
511240033114000000
6231552421122212
720315624263253
oct2723654513700
9633742850828
10200231000000
1177a101a7999
1232980b59368
1315b6013b675
149996a5309a
15531d8a3a85
hex2e9eb297c0

200231000000 has 98 divisors (see below), whose sum is σ = 496662861384. Its totient is φ = 80092000000.

The previous prime is 200230999981. The next prime is 200231000033. The reversal of 200231000000 is 132002.

It is a super-2 number, since 2×2002310000002 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 899885 + ... + 1100115.

Almost surely, 2200231000000 is an apocalyptic number.

200231000000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200231000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248331430692).

200231000000 is an abundant number, since it is smaller than the sum of its proper divisors (296431861384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200231000000 is an frugal number, since it uses more digits than its factorization.

200231000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200273 (or 200238 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

Adding to 200231000000 its reverse (132002), we get a palindrome (200231132002).

The spelling of 200231000000 in words is "two hundred billion, two hundred thirty-one million", and thus it is an aban number.

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 160 200 250 320 400 500 625 800 1000 1250 1600 2000 2500 3125 4000 5000 6250 8000 10000 12500 15625 20000 25000 31250 40000 50000 62500 100000 125000 200000 200231 250000 400462 500000 800924 1000000 1001155 1601848 2002310 3203696 4004620 5005775 6407392 8009240 10011550 12814784 16018480 20023100 25028875 32036960 40046200 50057750 64073920 80092400 100115500 125144375 160184800 200231000 250288750 320369600 400462000 500577500 625721875 800924000 1001155000 1251443750 1601848000 2002310000 2502887500 3128609375 4004620000 5005775000 6257218750 8009240000 10011550000 12514437500 20023100000 25028875000 40046200000 50057750000 100115500000 200231000000