Search a number
-
+
51356347016 = 2313854357803
BaseRepresentation
bin101111110101000100…
…111010101010001000
311220120010000201221112
4233311010322222020
51320134211101031
635332012425452
73465441514142
oct576504725210
9156503021845
1051356347016
111a8643566a7
129b53178288
134ac5a76020
1426b291bc92
1515089b562b
hexbf513aa88

51356347016 has 32 divisors (see below), whose sum is σ = 103714248960. Its totient is φ = 23699744832.

The previous prime is 51356346997. The next prime is 51356347061. The reversal of 51356347016 is 61074365315.

51356347016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 859571 + ... + 917373.

It is an arithmetic number, because the mean of its divisors is an integer number (3241070280).

Almost surely, 251356347016 is an apocalyptic number.

It is an amenable number.

51356347016 is an abundant number, since it is smaller than the sum of its proper divisors (52357901944).

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

51356347016 is a wasteful number, since it uses less digits than its factorization.

51356347016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66365 (or 66361 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 41.

The spelling of 51356347016 in words is "fifty-one billion, three hundred fifty-six million, three hundred forty-seven thousand, sixteen".

Divisors: 1 2 4 8 13 26 52 104 8543 17086 34172 57803 68344 111059 115606 222118 231212 444236 462424 751439 888472 1502878 3005756 6011512 493811029 987622058 1975244116 3950488232 6419543377 12839086754 25678173508 51356347016