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155126132465 = 5232347357467
BaseRepresentation
bin1001000001111000111…
…1001110111011110001
3112211102000012000122112
42100132033032323301
510020144242214330
6155133003215105
714131112240603
oct2203617167361
9484360160575
10155126132465
115a874726367
1226093517495
13118225a1335
1477184c7173
15407db4d795
hex241e3ceef1

155126132465 has 16 divisors (see below), whose sum is σ = 194256551808. Its totient is φ = 118698091776.

The previous prime is 155126132461. The next prime is 155126132519. The reversal of 155126132465 is 564231621551.

It is a cyclic number.

It is not a de Polignac number, because 155126132465 - 22 = 155126132461 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155126132461) 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, 2670662 + ... + 2728128.

It is an arithmetic number, because the mean of its divisors is an integer number (12141034488).

Almost surely, 2155126132465 is an apocalyptic number.

It is an amenable number.

155126132465 is a deficient number, since it is larger than the sum of its proper divisors (39130419343).

155126132465 is a wasteful number, since it uses less digits than its factorization.

155126132465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80968.

The product of its digits is 216000, while the sum is 41.

The spelling of 155126132465 in words is "one hundred fifty-five billion, one hundred twenty-six million, one hundred thirty-two thousand, four hundred sixty-five".

Divisors: 1 5 23 115 23473 57467 117365 287335 539879 1321741 2699395 6608705 1348922891 6744614455 31025226493 155126132465