Search a number
-
+
5031581136858 = 2322087133939763
BaseRepresentation
bin100100100111000000110…
…0110110011011111011010
3122211000101112121002210200
41021032001212303133122
51124414134232334413
614411250525523030
71026343161665343
oct111160146633732
918730345532720
105031581136858
11166a977419071
126931a2413476
132a6625bb92b3
1413575bbb50ca
158ad3a070573
hex493819b37da

5031581136858 has 24 divisors (see below), whose sum is σ = 10906982862048. Its totient is φ = 1676390061192.

The previous prime is 5031581136853. The next prime is 5031581136871. The reversal of 5031581136858 is 8586311851305.

5031581136858 is a `hidden beast` number, since 5 + 0 + 3 + 1 + 581 + 1 + 3 + 6 + 8 + 58 = 666.

It is a super-2 number, since 2×50315811368582 (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5031581136853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66932316 + ... + 67007447.

It is an arithmetic number, because the mean of its divisors is an integer number (454457619252).

Almost surely, 25031581136858 is an apocalyptic number.

5031581136858 is an abundant number, since it is smaller than the sum of its proper divisors (5875401725190).

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

5031581136858 is a wasteful number, since it uses less digits than its factorization.

5031581136858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133941858 (or 133941855 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 54.

The spelling of 5031581136858 in words is "five trillion, thirty-one billion, five hundred eighty-one million, one hundred thirty-six thousand, eight hundred fifty-eight".

Divisors: 1 2 3 6 9 18 2087 4174 6261 12522 18783 37566 133939763 267879526 401819289 803638578 1205457867 2410915734 279532285381 559064570762 838596856143 1677193712286 2515790568429 5031581136858