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668032612150 = 252149781711471
BaseRepresentation
bin10011011100010011101…
…10001011011100110110
32100212022100012211121011
421232021312023130312
541421112322042100
61230520121142434
766156320341021
oct11561166133466
92325270184534
10668032612150
11238346aa2aa2
12a957692aa1a
134acc2608727
14244938901b8
151259c8adbba
hex9b89d8b736

668032612150 has 48 divisors (see below), whose sum is σ = 1251148939200. Its totient is φ = 265362579200.

The previous prime is 668032612147. The next prime is 668032612199. The reversal of 668032612150 is 51216230866.

It is a congruent number.

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, 58230915 + ... + 58242385.

It is an arithmetic number, because the mean of its divisors is an integer number (26065602900).

Almost surely, 2668032612150 is an apocalyptic number.

668032612150 is a deficient number, since it is larger than the sum of its proper divisors (583116327050).

668032612150 is a wasteful number, since it uses less digits than its factorization.

668032612150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19449 (or 19444 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 668032612150 in words is "six hundred sixty-eight billion, thirty-two million, six hundred twelve thousand, one hundred fifty".

Divisors: 1 2 5 10 25 50 149 298 745 1490 3725 7450 7817 11471 15634 22942 39085 57355 78170 114710 195425 286775 390850 573550 1164733 1709179 2329466 3418358 5823665 8545895 11647330 17091790 29118325 42729475 58236650 85458950 89668807 179337614 448344035 896688070 2241720175 4483440350 13360652243 26721304486 66803261215 133606522430 334016306075 668032612150