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25552013922 = 2341926612
BaseRepresentation
bin10111110011000001…
…001100101001100010
32102221202121210120000
4113303001030221202
5404312303421142
615423300200430
71563126351261
oct276301145142
972852553500
1025552013922
11a92249a286
124b51399116
132542a00586
1413457dc5d8
159e83b214c
hex5f304ca62

25552013922 has 90 divisors (see below), whose sum is σ = 60519041649. Its totient is φ = 8056849680.

The previous prime is 25552013909. The next prime is 25552013957. The reversal of 25552013922 is 22931025552.

25552013922 is a `hidden beast` number, since 2 + 5 + 552 + 0 + 13 + 92 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 23109776361 + 2442237561 = 152019^2 + 49419^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=113031.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 38656272 + ... + 38656932.

Almost surely, 225552013922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25552013922

25552013922 is an abundant number, since it is smaller than the sum of its proper divisors (34967027727).

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

25552013922 is an frugal number, since it uses more digits than its factorization.

25552013922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374 (or 685 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 25552013922 in words is "twenty-five billion, five hundred fifty-two million, thirteen thousand, nine hundred twenty-two".

Divisors: 1 2 3 6 9 18 19 27 38 54 57 81 114 162 171 342 361 513 661 722 1026 1083 1322 1539 1983 2166 3078 3249 3966 5949 6498 9747 11898 12559 17847 19494 25118 29241 35694 37677 53541 58482 75354 107082 113031 226062 238621 339093 436921 477242 678186 715863 873842 1017279 1310763 1431726 2034558 2147589 2621526 3932289 4295178 6442767 7864578 8301499 11796867 12885534 16602998 19328301 23593734 24904497 35390601 38656602 49808994 70781202 74713491 149426982 157728481 224140473 315456962 448280946 473185443 672421419 946370886 1344842838 1419556329 2839112658 4258668987 8517337974 12776006961 25552013922