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38772945100 = 2252387729451
BaseRepresentation
bin100100000111000011…
…000011000011001100
310201002011010200121201
4210013003003003030
51113401333220400
625451222435244
72541554411161
oct440703030314
9121064120551
1038772945100
111549735358a
127620b92b24
13386baa7786
141c3b638068
15101de0506a
hex9070c30cc

38772945100 has 18 divisors (see below), whose sum is σ = 84137291084. Its totient is φ = 15509178000.

The previous prime is 38772945077. The next prime is 38772945151. The reversal of 38772945100 is 154927783.

It is a super-2 number, since 2×387729451002 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 193864626 + ... + 193864825.

Almost surely, 238772945100 is an apocalyptic number.

It is an amenable number.

38772945100 is an abundant number, since it is smaller than the sum of its proper divisors (45364345984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38772945100 is a wasteful number, since it uses less digits than its factorization.

38772945100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387729465 (or 387729458 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 46.

The spelling of 38772945100 in words is "thirty-eight billion, seven hundred seventy-two million, nine hundred forty-five thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 387729451 775458902 1550917804 1938647255 3877294510 7754589020 9693236275 19386472550 38772945100