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10402445047 = 193490310993
BaseRepresentation
bin10011011000000100…
…01011011011110111
3222211222000221221111
421230002023123313
5132301011220142
64440120255451
7515532216061
oct115402133367
928758027844
1010402445047
1144589aaa25
122023911587
13c9a1a6937
147097a2731
1540d3a5e17
hex26c08b6f7

10402445047 has 8 divisors (see below), whose sum is σ = 10459427744. Its totient is φ = 10345494528.

The previous prime is 10402444973. The next prime is 10402445069. The reversal of 10402445047 is 74054420401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10402445047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10402449047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 940783 + ... + 951775.

It is an arithmetic number, because the mean of its divisors is an integer number (1307428468).

Almost surely, 210402445047 is an apocalyptic number.

10402445047 is a deficient number, since it is larger than the sum of its proper divisors (56982697).

10402445047 is a wasteful number, since it uses less digits than its factorization.

10402445047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16089.

The product of its (nonzero) digits is 17920, while the sum is 31.

Adding to 10402445047 its reverse (74054420401), we get a palindrome (84456865448).

The spelling of 10402445047 in words is "ten billion, four hundred two million, four hundred forty-five thousand, forty-seven".

Divisors: 1 193 4903 10993 946279 2121649 53898679 10402445047