Search a number
-
+
51064312511042 = 2194418930410231
BaseRepresentation
bin10111001110001010101100…
…01101010011101001000010
320200210200220201220202101022
423213011112031103221002
523143114203000323132
6300334342112105442
713520163160456265
oct1347052615235102
9220720821822338
1051064312511042
11152a8287194456
125888732b35282
132265461a2897c
14c87751166cdc
155d847752ee12
hex2e7156353a42

51064312511042 has 16 divisors (see below), whose sum is σ = 80629689124800. Its totient is φ = 24187810378320.

The previous prime is 51064312511041. The next prime is 51064312511071. The reversal of 51064312511042 is 24011521346015.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 51064312510993 and 51064312511011.

It is not an unprimeable number, because it can be changed into a prime (51064312511041) 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, 13525934 + ... + 16884297.

It is an arithmetic number, because the mean of its divisors is an integer number (5039355570300).

Almost surely, 251064312511042 is an apocalyptic number.

51064312511042 is a deficient number, since it is larger than the sum of its proper divisors (29565376613758).

51064312511042 is a wasteful number, since it uses less digits than its factorization.

51064312511042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30454441.

The product of its (nonzero) digits is 28800, while the sum is 35.

Adding to 51064312511042 its reverse (24011521346015), we get a palindrome (75075833857057).

The spelling of 51064312511042 in words is "fifty-one trillion, sixty-four billion, three hundred twelve million, five hundred eleven thousand, forty-two".

Divisors: 1 2 19 38 44189 88378 839591 1679182 30410231 60820462 577794389 1155588778 1343797697659 2687595395318 25532156255521 51064312511042