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51064312511010 = 2351702143750367
BaseRepresentation
bin10111001110001010101100…
…01101010011101000100010
320200210200220201220202100010
423213011112031103220202
523143114203000323020
6300334342112105350
713520163160456221
oct1347052615235042
9220720821822303
1051064312511010
11152a8287194427
125888732b35256
132265461a28956
14c87751166cb8
155d847752ede0
hex2e7156353a22

51064312511010 has 16 divisors (see below), whose sum is σ = 122554350026496. Its totient is φ = 13617150002928.

The previous prime is 51064312510979. The next prime is 51064312511041. The reversal of 51064312511010 is 1011521346015.

It is an interprime number because it is at equal distance from previous prime (51064312510979) and next prime (51064312511041).

It is a super-2 number, since 2×510643125110102 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1702143750367 = 51064312511010 / (5 + 1 + 0 + 6 + 4 + 3 + 1 + 2 + 5 + 1 + 1 + 0 + 1 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 851071875154 + ... + 851071875213.

It is an arithmetic number, because the mean of its divisors is an integer number (7659646876656).

Almost surely, 251064312511010 is an apocalyptic number.

51064312511010 is an abundant number, since it is smaller than the sum of its proper divisors (71490037515486).

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

51064312511010 is a wasteful number, since it uses less digits than its factorization.

51064312511010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1702143750377.

The product of its (nonzero) digits is 3600, while the sum is 30.

Adding to 51064312511010 its reverse (1011521346015), we get a palindrome (52075833857025).

The spelling of 51064312511010 in words is "fifty-one trillion, sixty-four billion, three hundred twelve million, five hundred eleven thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 1702143750367 3404287500734 5106431251101 8510718751835 10212862502202 17021437503670 25532156255505 51064312511010