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168900625234 = 21155717137791
BaseRepresentation
bin1001110101001101000…
…0110000001101010010
3121010221222022202110101
42131103100300031102
510231402030001414
6205331502323014
715126341424625
oct2352320601522
9533858282411
10168900625234
11656a2aaa690
122889858946a
1312c09264b83
148263a5bdbc
1545d8089a74
hex2753430352

168900625234 has 16 divisors (see below), whose sum is σ = 276389807616. Its totient is φ = 76771076400.

The previous prime is 168900625219. The next prime is 168900625247. The reversal of 168900625234 is 432526009861.

It is a super-2 number, since 2×1689006252342 (a number of 23 digits) contains 22 as substring.

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, 1156879 + ... + 1294669.

It is an arithmetic number, because the mean of its divisors is an integer number (17274362976).

Almost surely, 2168900625234 is an apocalyptic number.

168900625234 is a deficient number, since it is larger than the sum of its proper divisors (107489182382).

168900625234 is a wasteful number, since it uses less digits than its factorization.

168900625234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193521.

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 168900625234 in words is "one hundred sixty-eight billion, nine hundred million, six hundred twenty-five thousand, two hundred thirty-four".

Divisors: 1 2 11 22 55717 111434 137791 275582 612887 1225774 1515701 3031402 7677301147 15354602294 84450312617 168900625234