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51374813555684 = 221031796838771163
BaseRepresentation
bin10111010111001101000011…
…00000110010101111100100
320201220101101002102010021202
423223212201200302233210
523213211104232240214
6301133132531102032
713551464526011303
oct1353464140625744
9221811332363252
1051374813555684
1115407a32a05a43
125918949141918
1322888162a4458
14c987a8bb643a
155e159ba6e6de
hex2eb9a1832be4

51374813555684 has 96 divisors (see below), whose sum is σ = 91602532869120. Its totient is φ = 25208370811008.

The previous prime is 51374813555683. The next prime is 51374813555707. The reversal of 51374813555684 is 48655531847315.

It is a happy number.

51374813555684 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 51374813555684.

It is not an unprimeable number, because it can be changed into a prime (51374813555683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44174387687 + ... + 44174388849.

It is an arithmetic number, because the mean of its divisors is an integer number (954193050720).

Almost surely, 251374813555684 is an apocalyptic number.

It is an amenable number.

51374813555684 is a deficient number, since it is larger than the sum of its proper divisors (40227719313436).

51374813555684 is a wasteful number, since it uses less digits than its factorization.

51374813555684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3009 (or 3007 counting only the distinct ones).

The product of its digits is 241920000, while the sum is 65.

The spelling of 51374813555684 in words is "fifty-one trillion, three hundred seventy-four billion, eight hundred thirteen million, five hundred fifty-five thousand, six hundred eighty-four".

Divisors: 1 2 4 103 179 206 358 412 683 716 877 1163 1366 1754 2326 2732 3508 4652 18437 36874 70349 73748 90331 119789 122257 140698 156983 180662 208177 239578 244514 281396 313966 361324 416354 479156 489028 598991 627932 794329 832708 1019951 1197982 1588658 2039902 2395964 3177316 4079804 12592471 16169249 21442231 25184942 32338498 42884462 50369884 61696073 64676996 81815887 85768924 105054953 107219389 123392146 142184891 163631774 182571229 210109906 214438778 246784292 284369782 327263548 365142458 420219812 428877556 568739564 696626533 730284916 1393253066 2786506132 11043597067 14645043773 18804836587 22087194134 29290087546 37609673174 44174388268 58580175092 71752532899 75219346348 124696149407 143505065798 249392298814 287010131596 498784597628 12843703388921 25687406777842 51374813555684