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622937825672 = 232790472
BaseRepresentation
bin10010001000010011111…
…11001110000110001000
32012112220121102022221012
421010021333032012020
540201234040410142
61154101303303052
763001660103231
oct11041177160610
92175817368835
10622937825672
11220206187518
12a089074aa88
1346986b8ab16
14222167ca088
151130d99a882
hex9109fce188

622937825672 has 12 divisors (see below), whose sum is σ = 1168012608855. Its totient is φ = 311467796648.

The previous prime is 622937825659. The next prime is 622937825681. The reversal of 622937825672 is 276528739226.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 311468912836 + 311468912836 = 558094^2 + 558094^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=558094.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2092853 + ... + 2371899.

Almost surely, 2622937825672 is an apocalyptic number.

It is an amenable number.

622937825672 is a deficient number, since it is larger than the sum of its proper divisors (545074783183).

622937825672 is an frugal number, since it uses more digits than its factorization.

622937825672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558100 (or 279049 counting only the distinct ones).

The product of its digits is 30481920, while the sum is 59.

The spelling of 622937825672 in words is "six hundred twenty-two billion, nine hundred thirty-seven million, eight hundred twenty-five thousand, six hundred seventy-two".

Divisors: 1 2 4 8 279047 558094 1116188 2232376 77867228209 155734456418 311468912836 622937825672