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38668076164 = 22983212
BaseRepresentation
bin100100000000110011…
…000000010010000100
310200210211210210111001
4210000303000102010
51113143011414124
625432555023044
72536142136634
oct440063002204
9120724723431
1038668076164
1115443136a43
1275b1a3aa84
13385314aa53
141c2b73a6c4
151014adcb44
hex900cc0484

38668076164 has 9 divisors (see below), whose sum is σ = 67669821541. Its totient is φ = 19333841440.

The previous prime is 38668076159. The next prime is 38668076171. The reversal of 38668076164 is 46167086683.

The square root of 38668076164 is 196642.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 36192018564 + 2476057600 = 190242^2 + 49760^2 .

It is a super-2 number, since 2×386680761642 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 344124 + ... + 442444.

Almost surely, 238668076164 is an apocalyptic number.

38668076164 is the 196642-nd square number.

It is an amenable number.

38668076164 is a deficient number, since it is larger than the sum of its proper divisors (29001745377).

38668076164 is an frugal number, since it uses more digits than its factorization.

38668076164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196646 (or 98323 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 55.

The spelling of 38668076164 in words is "thirty-eight billion, six hundred sixty-eight million, seventy-six thousand, one hundred sixty-four".

Divisors: 1 2 4 98321 196642 393284 9667019041 19334038082 38668076164