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52356241231 = 7225713073181
BaseRepresentation
bin110000110000101011…
…001101011101001111
312000010210111121221121
4300300223031131033
51324211144204411
640015131541411
73532302464500
oct606053153517
9160123447847
1052356241231
1120227807a58
12a191bba867
134c24c76cc8
14276963cba7
151566675571
hexc30acd74f

52356241231 has 24 divisors (see below), whose sum is σ = 61207195536. Its totient is φ = 44653916160.

The previous prime is 52356241211. The next prime is 52356241243. The reversal of 52356241231 is 13214265325.

It is not a de Polignac number, because 52356241231 - 219 = 52355716943 is a prime.

It is a super-2 number, since 2×523562412312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52356241211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16457461 + ... + 16460641.

It is an arithmetic number, because the mean of its divisors is an integer number (2550299814).

Almost surely, 252356241231 is an apocalyptic number.

52356241231 is a deficient number, since it is larger than the sum of its proper divisors (8850954305).

52356241231 is a wasteful number, since it uses less digits than its factorization.

52356241231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4759 (or 4752 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The spelling of 52356241231 in words is "fifty-two billion, three hundred fifty-six million, two hundred forty-one thousand, two hundred thirty-one".

Divisors: 1 7 49 257 1307 1799 3181 9149 12593 22267 64043 155869 335899 817517 2351293 4157567 5722619 16459051 29102969 40058333 203720783 1068494719 7479463033 52356241231