Search a number
-
+
51896795890 = 251923314359151
BaseRepresentation
bin110000010101010010…
…100100001011110010
311221221202222101102111
4300111102210023302
51322241034432030
635501400235534
73515023325632
oct602522441362
9157852871374
1051896795890
112001142a965
12a08416bbaa
134b80a21064
1427246026c2
15153b16d62a
hexc154a42f2

51896795890 has 256 divisors, whose sum is σ = 110945894400. Its totient is φ = 17363808000.

The previous prime is 51896795827. The next prime is 51896795891. The reversal of 51896795890 is 9859769815.

It is not an unprimeable number, because it can be changed into a prime (51896795891) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 343687315 + ... + 343687465.

It is an arithmetic number, because the mean of its divisors is an integer number (433382400).

Almost surely, 251896795890 is an apocalyptic number.

51896795890 is an abundant number, since it is smaller than the sum of its proper divisors (59049098510).

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

51896795890 is a wasteful number, since it uses less digits than its factorization.

51896795890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333.

The product of its (nonzero) digits is 48988800, while the sum is 67.

The spelling of 51896795890 in words is "fifty-one billion, eight hundred ninety-six million, seven hundred ninety-five thousand, eight hundred ninety".