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1230404311392 = 25347272695991
BaseRepresentation
bin10001111001111001110…
…011111101100101100000
311100121212222210011022120
4101321321303331211200
5130124332000431032
62341123454304240
7154615365041214
oct21717163754540
94317788704276
101230404311392
114348a2180273
1217a563ab8080
138c0466708c9
14437a253a944
152201407a62c
hex11e79cfd960

1230404311392 has 48 divisors (see below), whose sum is σ = 3298530719232. Its totient is φ = 401408497280.

The previous prime is 1230404311361. The next prime is 1230404311393. The reversal of 1230404311392 is 2931134040321.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230404311393) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 136343484 + ... + 136352507.

It is an arithmetic number, because the mean of its divisors is an integer number (68719389984).

Almost surely, 21230404311392 is an apocalyptic number.

1230404311392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1230404311392 is an abundant number, since it is smaller than the sum of its proper divisors (2068126407840).

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

1230404311392 is a wasteful number, since it uses less digits than its factorization.

1230404311392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272696051 (or 272696043 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The spelling of 1230404311392 in words is "one trillion, two hundred thirty billion, four hundred four million, three hundred eleven thousand, three hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 47 48 94 96 141 188 282 376 564 752 1128 1504 2256 4512 272695991 545391982 818087973 1090783964 1636175946 2181567928 3272351892 4363135856 6544703784 8726271712 12816711577 13089407568 25633423154 26178815136 38450134731 51266846308 76900269462 102533692616 153800538924 205067385232 307601077848 410134770464 615202155696 1230404311392