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51011010070 = 2523911213337
BaseRepresentation
bin101111100000011111…
…100011111000010110
311212200001012210201021
4233200133203320112
51313432304310240
635233434551354
73454046300656
oct574037437026
9155601183637
1051011010070
111a6a7426969
129a7759855a
134a6c363437
14267cb06366
1514d84ed54a
hexbe07e3e16

51011010070 has 16 divisors (see below), whose sum is σ = 91824088608. Its totient is φ = 20403455040.

The previous prime is 51011010031. The next prime is 51011010073. The reversal of 51011010070 is 7001011015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51011010073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132442 + ... + 345778.

It is an arithmetic number, because the mean of its divisors is an integer number (5739005538).

Almost surely, 251011010070 is an apocalyptic number.

51011010070 is a deficient number, since it is larger than the sum of its proper divisors (40813078538).

51011010070 is a wasteful number, since it uses less digits than its factorization.

51011010070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237255.

The product of its (nonzero) digits is 35, while the sum is 16.

Adding to 51011010070 its reverse (7001011015), we get a palindrome (58012021085).

The spelling of 51011010070 in words is "fifty-one billion, eleven million, ten thousand, seventy".

Divisors: 1 2 5 10 23911 47822 119555 213337 239110 426674 1066685 2133370 5101101007 10202202014 25505505035 51011010070