Search a number
-
+
390339345939 = 31277541135859
BaseRepresentation
bin1011010111000100000…
…10011011111000010011
31101022112102100021222120
411223202002123320103
522343403333032224
6455152554505323
740125654460554
oct5534202337023
91338472307876
10390339345939
111405a6425a84
1263797a35243
132aa690468aa
1414c6d13632b
15a24871c779
hex5ae209be13

390339345939 has 16 divisors (see below), whose sum is σ = 524623933440. Its totient is φ = 258141068640.

The previous prime is 390339345937. The next prime is 390339345943. The reversal of 390339345939 is 939543933093.

It is not a de Polignac number, because 390339345939 - 21 = 390339345937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (390339345937) 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 15 ways as a sum of consecutive naturals, for example, 2805192 + ... + 2941050.

It is an arithmetic number, because the mean of its divisors is an integer number (32788995840).

Almost surely, 2390339345939 is an apocalyptic number.

390339345939 is a deficient number, since it is larger than the sum of its proper divisors (134284587501).

390339345939 is a wasteful number, since it uses less digits than its factorization.

390339345939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143530.

The product of its (nonzero) digits is 31886460, while the sum is 60.

The spelling of 390339345939 in words is "three hundred ninety billion, three hundred thirty-nine million, three hundred forty-five thousand, nine hundred thirty-nine".

Divisors: 1 3 127 381 7541 22623 135859 407577 957707 2873121 17254093 51762279 1024512719 3073538157 130113115313 390339345939