Search a number
-
+
51115543310 = 2513393196487
BaseRepresentation
bin101111100110101110…
…010100101100001110
311212221022220122100202
4233212232110230032
51314141034341220
635252051253502
73456455643416
oct574656245416
9155838818322
1051115543310
111a750434277
129aa65aa292
134a87c03420
14268c957646
1514e279b275
hexbe6b94b0e

51115543310 has 16 divisors (see below), whose sum is σ = 99085514976. Its totient is φ = 18873431328.

The previous prime is 51115543291. The next prime is 51115543331. The reversal of 51115543310 is 1334551115.

It is a super-2 number, since 2×511155433102 (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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, 196598114 + ... + 196598373.

It is an arithmetic number, because the mean of its divisors is an integer number (6192844686).

Almost surely, 251115543310 is an apocalyptic number.

51115543310 is a deficient number, since it is larger than the sum of its proper divisors (47969971666).

51115543310 is a wasteful number, since it uses less digits than its factorization.

51115543310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393196507.

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 51115543310 in words is "fifty-one billion, one hundred fifteen million, five hundred forty-three thousand, three hundred ten".

Divisors: 1 2 5 10 13 26 65 130 393196487 786392974 1965982435 3931964870 5111554331 10223108662 25557771655 51115543310