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10007988231 = 33335996077
BaseRepresentation
bin10010101001000010…
…11100100000000111
3221211110210110220210
421110201130200013
5130444021110411
64333025530503
7503002332153
oct112441344007
927743713823
1010007988231
11427628075a
121b337a3a33
13c36556437
146ad242063
153d8939ca6
hex25485c807

10007988231 has 4 divisors (see below), whose sum is σ = 13343984312. Its totient is φ = 6671992152.

The previous prime is 10007988227. The next prime is 10007988269. The reversal of 10007988231 is 13288970001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13288970001 = 34429656667.

It is not a de Polignac number, because 10007988231 - 22 = 10007988227 is a prime.

It is a super-2 number, since 2×100079882312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10007988231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10007980231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1667998036 + ... + 1667998041.

It is an arithmetic number, because the mean of its divisors is an integer number (3335996078).

Almost surely, 210007988231 is an apocalyptic number.

10007988231 is a deficient number, since it is larger than the sum of its proper divisors (3335996081).

10007988231 is an equidigital number, since it uses as much as digits as its factorization.

10007988231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3335996080.

The product of its (nonzero) digits is 24192, while the sum is 39.

The spelling of 10007988231 in words is "ten billion, seven million, nine hundred eighty-eight thousand, two hundred thirty-one".

Divisors: 1 3 3335996077 10007988231