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312020434230 = 235171016057473
BaseRepresentation
bin1001000101001011101…
…11011111110100110110
31002211101020111100120220
410202211313133310312
520103004212343410
6355201252435210
731354104634161
oct4424567376466
91084336440526
10312020434230
1111036644546a
125057b018b06
132356729939b
141115d75cad8
1581b2b19070
hex48a5ddfd36

312020434230 has 64 divisors (see below), whose sum is σ = 800749603008. Its totient is φ = 77535641600.

The previous prime is 312020434199. The next prime is 312020434277. The reversal of 312020434230 is 32434020213.

It is a self number, because there is not a number n which added to its sum of digits gives 312020434230.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2977227 + ... + 3080246.

It is an arithmetic number, because the mean of its divisors is an integer number (12511712547).

Almost surely, 2312020434230 is an apocalyptic number.

312020434230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

312020434230 is an abundant number, since it is smaller than the sum of its proper divisors (488729168778).

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

312020434230 is a wasteful number, since it uses less digits than its factorization.

312020434230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6057601.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 312020434230 its reverse (32434020213), we get a palindrome (344454454443).

The spelling of 312020434230 in words is "three hundred twelve billion, twenty million, four hundred thirty-four thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 101 102 170 202 255 303 505 510 606 1010 1515 1717 3030 3434 5151 8585 10302 17170 25755 51510 6057473 12114946 18172419 30287365 36344838 60574730 90862095 102977041 181724190 205954082 308931123 514885205 611804773 617862246 1029770410 1223609546 1544655615 1835414319 3059023865 3089311230 3670828638 6118047730 9177071595 10400681141 18354143190 20801362282 31202043423 52003405705 62404086846 104006811410 156010217115 312020434230