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390797519044 = 22192164512
BaseRepresentation
bin1011010111111010101…
…10001110100011000100
31101100201100110220022211
411223331112032203010
522400323131102134
6455310243033204
740143220050322
oct5537526164304
91340640426284
10390797519044
11140811014239
12638a536b804
132ab0cc4573a
1414cb3d20d12
15a273a72764
hex5afd58e8c4

390797519044 has 27 divisors (see below), whose sum is σ = 721828491951. Its totient is φ = 185103361800.

The previous prime is 390797519041. The next prime is 390797519053. The reversal of 390797519044 is 440915797093.

The square root of 390797519044 is 625138.

It is a perfect power (a square), and thus also a powerful number.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

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 390797519044.

It is not an unprimeable number, because it can be changed into a prime (390797519041) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 23747019 + ... + 23763469.

Almost surely, 2390797519044 is an apocalyptic number.

390797519044 is the 625138-th square number.

It is an amenable number.

390797519044 is a deficient number, since it is larger than the sum of its proper divisors (331030972907).

390797519044 is an frugal number, since it uses more digits than its factorization.

390797519044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32944 (or 16472 counting only the distinct ones).

The product of its (nonzero) digits is 8573040, while the sum is 58.

The spelling of 390797519044 in words is "three hundred ninety billion, seven hundred ninety-seven million, five hundred nineteen thousand, forty-four".

Divisors: 1 2 4 19 38 76 361 722 1444 16451 32902 65804 312569 625138 1250276 5938811 11877622 23755244 270635401 541270802 1082541604 5142072619 10284145238 20568290476 97699379761 195398759522 390797519044