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51474960339 = 3117321367771
BaseRepresentation
bin101111111100001001…
…011000111111010011
311220212101012220211120
4233330021120333103
51320410042212324
635351451013323
73501411641445
oct577411307723
9156771186746
1051474960339
111a915300640
129b86a3a243
134b14505a1a
1426c4596495
1515140e5179
hexbfc258fd3

51474960339 has 16 divisors (see below), whose sum is σ = 75898326144. Its totient is φ = 30769588800.

The previous prime is 51474960307. The next prime is 51474960347. The reversal of 51474960339 is 93306947415.

It is not a de Polignac number, because 51474960339 - 25 = 51474960307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51474960291 and 51474960300.

It is not an unprimeable number, because it can be changed into a prime (51474964339) 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, 10681477 + ... + 10686294.

It is an arithmetic number, because the mean of its divisors is an integer number (4743645384).

Almost surely, 251474960339 is an apocalyptic number.

51474960339 is a deficient number, since it is larger than the sum of its proper divisors (24423365805).

51474960339 is a wasteful number, since it uses less digits than its factorization.

51474960339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21367858.

The product of its (nonzero) digits is 2449440, while the sum is 51.

The spelling of 51474960339 in words is "fifty-one billion, four hundred seventy-four million, nine hundred sixty thousand, three hundred thirty-nine".

Divisors: 1 3 11 33 73 219 803 2409 21367771 64103313 235045481 705136443 1559847283 4679541849 17158320113 51474960339