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164122512888 = 233173371193653
BaseRepresentation
bin1001100011011001110…
…1101100110111111000
3120200121222110111112110
42120312131230313320
510142110330403023
6203221415012320
714600052225135
oct2306635546770
9520558414473
10164122512888
1163670975104
122798436a0a0
1312627384c69
147d2d23958c
154408862a93
hex263676cdf8

164122512888 has 64 divisors (see below), whose sum is σ = 435731456160. Its totient is φ = 51336585216.

The previous prime is 164122512881. The next prime is 164122512907. The reversal of 164122512888 is 888215221461.

It is a super-2 number, since 2×1641225128882 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164122512881) 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, 459331 + ... + 734322.

Almost surely, 2164122512888 is an apocalyptic number.

It is an amenable number.

164122512888 is an abundant number, since it is smaller than the sum of its proper divisors (271608943272).

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

164122512888 is a wasteful number, since it uses less digits than its factorization.

164122512888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194016 (or 1194012 counting only the distinct ones).

The product of its digits is 491520, while the sum is 48.

The spelling of 164122512888 in words is "one hundred sixty-four billion, one hundred twenty-two million, five hundred twelve thousand, eight hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 68 102 136 204 337 408 674 1011 1348 2022 2696 4044 5729 8088 11458 17187 22916 34374 45832 68748 137496 1193653 2387306 3580959 4774612 7161918 9549224 14323836 20292101 28647672 40584202 60876303 81168404 121752606 162336808 243505212 402261061 487010424 804522122 1206783183 1609044244 2413566366 3218088488 4827132732 6838438037 9654265464 13676876074 20515314111 27353752148 41030628222 54707504296 82061256444 164122512888