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312044043204 = 223271201760527
BaseRepresentation
bin1001000101001110100…
…01100011101111000100
31002211102212220211000100
410202213101203233010
520103031233340304
6355203454444100
731354512414045
oct4424721435704
91084385824010
10312044043204
11110378800213
1250586b03630
132356c1443aa
14111629468cc
1581b4c2e439
hex48a7463bc4

312044043204 has 72 divisors (see below), whose sum is σ = 800297342208. Its totient is φ = 102497149440.

The previous prime is 312044043097. The next prime is 312044043229. The reversal of 312044043204 is 402340440213.

It is a happy number.

312044043204 is a `hidden beast` number, since 3 + 12 + 0 + 440 + 4 + 3 + 204 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5125189 + ... + 5185715.

It is an arithmetic number, because the mean of its divisors is an integer number (11115240864).

Almost surely, 2312044043204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312044043204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (400148671104).

312044043204 is an abundant number, since it is smaller than the sum of its proper divisors (488253299004).

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

312044043204 is a wasteful number, since it uses less digits than its factorization.

312044043204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62625 (or 62620 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 312044043204 its reverse (402340440213), we get a palindrome (714384483417).

The spelling of 312044043204 in words is "three hundred twelve billion, forty-four million, forty-three thousand, two hundred four".

Divisors: 1 2 3 4 6 9 12 18 36 71 142 213 284 426 639 852 1278 2017 2556 4034 6051 8068 12102 18153 24204 36306 60527 72612 121054 143207 181581 242108 286414 363162 429621 544743 572828 726324 859242 1089486 1288863 1718484 2178972 2577726 4297417 5155452 8594834 12892251 17189668 25784502 38676753 51569004 77353506 122082959 154707012 244165918 366248877 488331836 732497754 1098746631 1464995508 2197493262 4394986524 8667890089 17335780178 26003670267 34671560356 52007340534 78011010801 104014681068 156022021602 312044043204