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204231430212402 = 231719105382574929
BaseRepresentation
bin101110011011111101010101…
…110110011000101100110010
3222210010100000112002122221210
4232123331111312120230302
5203232111432113244102
62002210342424100550
761006143141551145
oct5633752566305462
9883110015078853
10204231430212402
115a09007706396a
121aaa5504904756
1389c5c30b67ba8
143860bd53c805c
1518927dc95936c
hexb9bf55d98b32

204231430212402 has 32 divisors (see below), whose sum is σ = 455252723697600. Its totient is φ = 60700363158528.

The previous prime is 204231430212367. The next prime is 204231430212409. The reversal of 204231430212402 is 204212034132402.

It is a self number, because there is not a number n which added to its sum of digits gives 204231430212402.

It is not an unprimeable number, because it can be changed into a prime (204231430212409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52691285527 + ... + 52691289402.

It is an arithmetic number, because the mean of its divisors is an integer number (14226647615550).

Almost surely, 2204231430212402 is an apocalyptic number.

204231430212402 is an abundant number, since it is smaller than the sum of its proper divisors (251021293485198).

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

204231430212402 is a wasteful number, since it uses less digits than its factorization.

204231430212402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105382574970.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 204231430212402 its reverse (204212034132402), we get a palindrome (408443464344804).

The spelling of 204231430212402 in words is "two hundred four trillion, two hundred thirty-one billion, four hundred thirty million, two hundred twelve thousand, four hundred two".

Divisors: 1 2 3 6 17 19 34 38 51 57 102 114 323 646 969 1938 105382574929 210765149858 316147724787 632295449574 1791503773793 2002268923651 3583007547586 4004537847302 5374511321379 6006806770953 10749022642758 12013613541906 34038571702067 68077143404134 102115715106201 204231430212402