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468672837921 = 3252074759769
BaseRepresentation
bin1101101000111110001…
…00111111100100100001
31122210201121121222202100
412310133010333210201
530134320221303141
6555145541241013
745601102251321
oct6643704774441
91583647558670
10468672837921
11170843664a02
12769b9703169
1335270b2a692
1418980827281
15c2d07510b6
hex6d1f13f921

468672837921 has 6 divisors (see below), whose sum is σ = 676971877010. Its totient is φ = 312448558608.

The previous prime is 468672837917. The next prime is 468672837929. The reversal of 468672837921 is 129738276864.

468672837921 is a `hidden beast` number, since 468 + 6 + 7 + 2 + 83 + 7 + 92 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 462699248400 + 5973589521 = 680220^2 + 77289^2 .

It is not a de Polignac number, because 468672837921 - 22 = 468672837917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (468672837929) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26037379876 + ... + 26037379893.

Almost surely, 2468672837921 is an apocalyptic number.

It is an amenable number.

468672837921 is a deficient number, since it is larger than the sum of its proper divisors (208299039089).

468672837921 is a wasteful number, since it uses less digits than its factorization.

468672837921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52074759775 (or 52074759772 counting only the distinct ones).

The product of its digits is 48771072, while the sum is 63.

The spelling of 468672837921 in words is "four hundred sixty-eight billion, six hundred seventy-two million, eight hundred thirty-seven thousand, nine hundred twenty-one".

Divisors: 1 3 9 52074759769 156224279307 468672837921