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10050668431 = 19528982549
BaseRepresentation
bin10010101110001000…
…10000011110001111
3221221110002212010221
421113010100132033
5131040432342211
64341152412211
7504031162216
oct112704203617
927843085127
1010050668431
114298381a51
121b45b47067
13c4234abab
146b4b9207d
153dc56ac71
hex25711078f

10050668431 has 4 divisors (see below), whose sum is σ = 10579651000. Its totient is φ = 9521685864.

The previous prime is 10050668401. The next prime is 10050668449. The reversal of 10050668431 is 13486605001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10050668431 - 25 = 10050668399 is a prime.

It is a super-2 number, since 2×100506684312 (a number of 21 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 (10050668401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264491256 + ... + 264491293.

It is an arithmetic number, because the mean of its divisors is an integer number (2644912750).

Almost surely, 210050668431 is an apocalyptic number.

10050668431 is a deficient number, since it is larger than the sum of its proper divisors (528982569).

10050668431 is an equidigital number, since it uses as much as digits as its factorization.

10050668431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528982568.

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 10050668431 in words is "ten billion, fifty million, six hundred sixty-eight thousand, four hundred thirty-one".

Divisors: 1 19 528982549 10050668431