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20231002332 = 2232561972287
BaseRepresentation
bin10010110101110111…
…001001100011011100
31221012221012101212200
4102311313021203130
5312413114033312
613143300331500
71314225453042
oct226567114334
957187171780
1020231002332
118641967542
123b073a3b90
131ba54c81c8
14d9cc58392
157d619b0dc
hex4b5dc98dc

20231002332 has 18 divisors (see below), whose sum is σ = 51139478208. Its totient is φ = 6743667432.

The previous prime is 20231002291. The next prime is 20231002369. The reversal of 20231002332 is 23320013202.

It is a happy number.

20231002332 is a `hidden beast` number, since 20 + 2 + 310 + 0 + 2 + 332 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 280986108 + ... + 280986179.

Almost surely, 220231002332 is an apocalyptic number.

It is an amenable number.

20231002332 is an abundant number, since it is smaller than the sum of its proper divisors (30908475876).

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

20231002332 is a wasteful number, since it uses less digits than its factorization.

20231002332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561972297 (or 561972292 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20231002332 its reverse (23320013202), we get a palindrome (43551015534).

The spelling of 20231002332 in words is "twenty billion, two hundred thirty-one million, two thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 36 561972287 1123944574 1685916861 2247889148 3371833722 5057750583 6743667444 10115501166 20231002332