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51062026131 = 336769140849
BaseRepresentation
bin101111100011100010…
…001010111110010011
311212210121012200121000
4233203202022332103
51314033334314011
635242500233043
73455236026564
oct574342127623
9155717180530
1051062026131
111a723200aa6
129a9069b783
134a79ab615c
1426857c616b
1514dcc29356
hexbe388af93

51062026131 has 32 divisors (see below), whose sum is σ = 76889504000. Its totient is φ = 33483922560.

The previous prime is 51062026073. The next prime is 51062026151. The reversal of 51062026131 is 13162026015.

51062026131 is a `hidden beast` number, since 5 + 1 + 0 + 620 + 2 + 6 + 1 + 31 = 666.

It is not a de Polignac number, because 51062026131 - 27 = 51062026003 is a prime.

It is a super-2 number, since 2×510620261312 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51062026095 and 51062026104.

It is not an unprimeable number, because it can be changed into a prime (51062026151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1229595 + ... + 1270443.

It is an arithmetic number, because the mean of its divisors is an integer number (2402797000).

Almost surely, 251062026131 is an apocalyptic number.

51062026131 is a deficient number, since it is larger than the sum of its proper divisors (25827477869).

51062026131 is a wasteful number, since it uses less digits than its factorization.

51062026131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41616 (or 41610 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The spelling of 51062026131 in words is "fifty-one billion, sixty-two million, twenty-six thousand, one hundred thirty-one".

Divisors: 1 3 9 27 67 201 603 691 1809 2073 6219 18657 40849 46297 122547 138891 367641 416673 1102923 1250019 2736883 8210649 24631947 28226659 73895841 84679977 254039931 762119793 1891186153 5673558459 17020675377 51062026131