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38688770852 = 229672192713
BaseRepresentation
bin100100000010000001…
…111100101100100100
310200212021202012020222
4210002001330230210
51113213311131402
625435014343512
72536513061204
oct440201745444
9120767665228
1038688770852
1115453891196
1275b895ab98
133857515424
141c303a6404
1510168297a2
hex90207cb24

38688770852 has 6 divisors (see below), whose sum is σ = 67705348998. Its totient is φ = 19344385424.

The previous prime is 38688770849. The next prime is 38688770917. The reversal of 38688770852 is 25807788683.

It can be written as a sum of positive squares in only one way, i.e., 38300838436 + 387932416 = 195706^2 + 19696^2 .

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 as a sum of consecutive naturals, namely, 4836096353 + ... + 4836096360.

It is an arithmetic number, because the mean of its divisors is an integer number (11284224833).

Almost surely, 238688770852 is an apocalyptic number.

It is an amenable number.

38688770852 is a deficient number, since it is larger than the sum of its proper divisors (29016578146).

38688770852 is a wasteful number, since it uses less digits than its factorization.

38688770852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9672192717 (or 9672192715 counting only the distinct ones).

The product of its (nonzero) digits is 36126720, while the sum is 62.

The spelling of 38688770852 in words is "thirty-eight billion, six hundred eighty-eight million, seven hundred seventy thousand, eight hundred fifty-two".

Divisors: 1 2 4 9672192713 19344385426 38688770852