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39976204057 = 254915683093
BaseRepresentation
bin100101001110110001…
…000111011100011001
310211012000021120121021
4211032301013130121
51123332402012212
630210444442441
72613435061606
oct451661073431
9124160246537
1039976204057
1115a54585879
1278b7b49421
133a0117041a
141d133756ad
15108e886307
hex94ec47719

39976204057 has 4 divisors (see below), whose sum is σ = 39991889700. Its totient is φ = 39960518416.

The previous prime is 39976204049. The next prime is 39976204141. The reversal of 39976204057 is 75040267993.

39976204057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 30618350361 + 9357853696 = 174981^2 + 96736^2 .

It is a cyclic number.

It is not a de Polignac number, because 39976204057 - 23 = 39976204049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39976203995 and 39976204013.

It is not an unprimeable number, because it can be changed into a prime (39976204357) 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, 7838998 + ... + 7844095.

It is an arithmetic number, because the mean of its divisors is an integer number (9997972425).

Almost surely, 239976204057 is an apocalyptic number.

It is an amenable number.

39976204057 is a deficient number, since it is larger than the sum of its proper divisors (15685643).

39976204057 is a wasteful number, since it uses less digits than its factorization.

39976204057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15685642.

The product of its (nonzero) digits is 2857680, while the sum is 52.

The spelling of 39976204057 in words is "thirty-nine billion, nine hundred seventy-six million, two hundred four thousand, fifty-seven".

Divisors: 1 2549 15683093 39976204057