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155130064464 = 2434317498553
BaseRepresentation
bin1001000001111001111…
…0001110111001010000
3112211102021120210100010
42100132132032321100
510020201244030324
6155133223354520
714131160535264
oct2203636167120
9484367523303
10155130064464
115a876971551
12260948b2a40
1311823349c6b
147718c2c0a4
15407e178829
hex241e78ee50

155130064464 has 40 divisors (see below), whose sum is σ = 401682540672. Its totient is φ = 51590037760.

The previous prime is 155130064457. The next prime is 155130064483. The reversal of 155130064464 is 464460031551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3728589 + ... + 3769964.

Almost surely, 2155130064464 is an apocalyptic number.

It is an amenable number.

155130064464 is an abundant number, since it is smaller than the sum of its proper divisors (246552476208).

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

155130064464 is a wasteful number, since it uses less digits than its factorization.

155130064464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7498995 (or 7498989 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 155130064464 in words is "one hundred fifty-five billion, one hundred thirty million, sixty-four thousand, four hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 431 862 1293 1724 2586 3448 5172 6896 10344 20688 7498553 14997106 22495659 29994212 44991318 59988424 89982636 119976848 179965272 359930544 3231876343 6463752686 9695629029 12927505372 19391258058 25855010744 38782516116 51710021488 77565032232 155130064464