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157478094732 = 223722311644343
BaseRepresentation
bin1001001010101001101…
…1010000011110001100
3120001110220211002100010
42102222123100132030
510040003343012412
6200202222033220
714243311501500
oct2225233203614
9501426732303
10157478094732
1160871308432
122662b118810
1311b0893aa9a
14789ca00300
15416a38633c
hex24aa6d078c

157478094732 has 72 divisors (see below), whose sum is σ = 446024952576. Its totient is φ = 43037488032.

The previous prime is 157478094721. The next prime is 157478094733. The reversal of 157478094732 is 237490874751.

It is not an unprimeable number, because it can be changed into a prime (157478094733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5808648 + ... + 5835695.

It is an arithmetic number, because the mean of its divisors is an integer number (6194791008).

Almost surely, 2157478094732 is an apocalyptic number.

157478094732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

157478094732 is an abundant number, since it is smaller than the sum of its proper divisors (288546857844).

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

157478094732 is a wasteful number, since it uses less digits than its factorization.

157478094732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11644387 (or 11644378 counting only the distinct ones).

The product of its (nonzero) digits is 11854080, while the sum is 57.

The spelling of 157478094732 in words is "one hundred fifty-seven billion, four hundred seventy-eight million, ninety-four thousand, seven hundred thirty-two".

Divisors: 1 2 3 4 6 7 12 14 21 23 28 42 46 49 69 84 92 98 138 147 161 196 276 294 322 483 588 644 966 1127 1932 2254 3381 4508 6762 13524 11644343 23288686 34933029 46577372 69866058 81510401 139732116 163020802 244531203 267819889 326041604 489062406 535639778 570572807 803459667 978124812 1071279556 1141145614 1606919334 1711718421 1874739223 2282291228 3213838668 3423436842 3749478446 5624217669 6846873684 7498956892 11248435338 13123174561 22496870676 26246349122 39369523683 52492698244 78739047366 157478094732