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51102327423 = 373796420697
BaseRepresentation
bin101111100101111011…
…111010001001111111
311212220102001012120110
4233211323322021333
51314124143434143
635250500121103
73456235421220
oct574573721177
9155812035513
1051102327423
111a743a27a54
129aa2096193
134a85256b84
14268acb7247
1514e153a533
hexbe5efa27f

51102327423 has 16 divisors (see below), whose sum is σ = 78075687680. Its totient is φ = 29124277056.

The previous prime is 51102327413. The next prime is 51102327517. The reversal of 51102327423 is 32472320115.

It is not a de Polignac number, because 51102327423 - 24 = 51102327407 is a prime.

It is a super-2 number, since 2×511023274232 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51102327413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3202390 + ... + 3218307.

It is an arithmetic number, because the mean of its divisors is an integer number (4879730480).

Almost surely, 251102327423 is an apocalyptic number.

51102327423 is a deficient number, since it is larger than the sum of its proper divisors (26973360257).

51102327423 is a wasteful number, since it uses less digits than its factorization.

51102327423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6421086.

The product of its (nonzero) digits is 10080, while the sum is 30.

Adding to 51102327423 its reverse (32472320115), we get a palindrome (83574647538).

The spelling of 51102327423 in words is "fifty-one billion, one hundred two million, three hundred twenty-seven thousand, four hundred twenty-three".

Divisors: 1 3 7 21 379 1137 2653 7959 6420697 19262091 44944879 134834637 2433444163 7300332489 17034109141 51102327423