Search a number
-
+
10384393791 = 313925579739
BaseRepresentation
bin10011010101111010…
…10100011000111111
3222210201001212021110
421222331110120333
5132231401100131
64434233333103
7515222614362
oct115275243077
928721055243
1010384393791
1144497a0832
122019867193
13c96526515
147072240d9
1540b9dc646
hex26af5463f

10384393791 has 16 divisors (see below), whose sum is σ = 13952355200. Its totient is φ = 6869730528.

The previous prime is 10384393787. The next prime is 10384393807. The reversal of 10384393791 is 19739348301.

It is a happy number.

It is not a de Polignac number, because 10384393791 - 22 = 10384393787 is a prime.

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 10384393791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10384393291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1061400 + ... + 1071138.

It is an arithmetic number, because the mean of its divisors is an integer number (872022200).

Almost surely, 210384393791 is an apocalyptic number.

10384393791 is a deficient number, since it is larger than the sum of its proper divisors (3567961409).

10384393791 is a wasteful number, since it uses less digits than its factorization.

10384393791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12438.

The product of its (nonzero) digits is 489888, while the sum is 48.

The spelling of 10384393791 in words is "ten billion, three hundred eighty-four million, three hundred ninety-three thousand, seven hundred ninety-one".

Divisors: 1 3 139 417 2557 7671 9739 29217 355423 1066269 1353721 4061163 24902623 74707869 3461464597 10384393791