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404244442212 = 2231321711725387
BaseRepresentation
bin1011110000111101101…
…10001010110001100100
31102122102111020101010020
411320132312022301210
523110343034122322
6505412441155140
741130361031052
oct5703666126144
91378374211106
10404244442212
111464914a3686
126641878bab0
132c173aa7800
14157cbb871d2
15a7ae35605c
hex5e1ed8ac64

404244442212 has 72 divisors (see below), whose sum is σ = 1081455986016. Its totient is φ = 117066253824.

The previous prime is 404244442211. The next prime is 404244442237. The reversal of 404244442212 is 212244442404.

It is not an unprimeable number, because it can be changed into a prime (404244442211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5828218 + ... + 5897169.

It is an arithmetic number, because the mean of its divisors is an integer number (15020222028).

Almost surely, 2404244442212 is an apocalyptic number.

It is an amenable number.

404244442212 is an abundant number, since it is smaller than the sum of its proper divisors (677211543804).

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

404244442212 is a wasteful number, since it uses less digits than its factorization.

404244442212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11725437 (or 11725422 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 33.

Adding to 404244442212 its reverse (212244442404), we get a palindrome (616488884616).

The spelling of 404244442212 in words is "four hundred four billion, two hundred forty-four million, four hundred forty-two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 13 17 26 34 39 51 52 68 78 102 156 169 204 221 338 442 507 663 676 884 1014 1326 2028 2652 2873 5746 8619 11492 17238 34476 11725387 23450774 35176161 46901548 70352322 140704644 152430031 199331579 304860062 398663158 457290093 597994737 609720124 797326316 914580186 1195989474 1829160372 1981590403 2391978948 2591310527 3963180806 5182621054 5944771209 7773931581 7926361612 10365242108 11889542418 15547863162 23779084836 31095726324 33687036851 67374073702 101061110553 134748147404 202122221106 404244442212