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51669683101952 = 28474294355311
BaseRepresentation
bin10111011111110010010010…
…00110110110000100000000
320202221120111001111002120222
423233321021012312010000
523233024002333230302
6301520420312522212
713612003625545616
oct1357711106660400
9222846431432528
1051669683101952
1115510a980a3433
125965b203b0368
1322aa57922a306
14ca8b7c7b96b6
155e90a8b08da2
hex2efe491b6100

51669683101952 has 36 divisors (see below), whose sum is σ = 105331947092736. Its totient is φ = 25285164065280.

The previous prime is 51669683101909. The next prime is 51669683102027. The reversal of 51669683101952 is 25910138696615.

It is a super-2 number, since 2×516696831019522 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2147165624 + ... + 2147189687.

Almost surely, 251669683101952 is an apocalyptic number.

It is an amenable number.

51669683101952 is an abundant number, since it is smaller than the sum of its proper divisors (53662263990784).

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

51669683101952 is an equidigital number, since it uses as much as digits as its factorization.

51669683101952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4294355374 (or 4294355360 counting only the distinct ones).

The product of its (nonzero) digits is 20995200, while the sum is 62.

The spelling of 51669683101952 in words is "fifty-one trillion, six hundred sixty-nine billion, six hundred eighty-three million, one hundred one thousand, nine hundred fifty-two".

Divisors: 1 2 4 8 16 32 47 64 94 128 188 256 376 752 1504 3008 6016 12032 4294355311 8588710622 17177421244 34354842488 68709684976 137419369952 201834699617 274838739904 403669399234 549677479808 807338798468 1099354959616 1614677596936 3229355193872 6458710387744 12917420775488 25834841550976 51669683101952