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38699776401 = 31113676472081
BaseRepresentation
bin100100000010101011…
…111011100110010001
310200220001110100000220
4210002223323212101
51113224120321101
625440050303253
72540005446306
oct440253734621
9120801410026
1038699776401
111545a018890
127600587b29
1338598998a0
141c31a2d0ad
1510177a0636
hex902afb991

38699776401 has 64 divisors (see below), whose sum is σ = 61650118656. Its totient is φ = 21283891200.

The previous prime is 38699776369. The next prime is 38699776447. The reversal of 38699776401 is 10467799683.

It is not a de Polignac number, because 38699776401 - 25 = 38699776369 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38699776501) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 18595681 + ... + 18597761.

It is an arithmetic number, because the mean of its divisors is an integer number (963283104).

Almost surely, 238699776401 is an apocalyptic number.

It is an amenable number.

38699776401 is a deficient number, since it is larger than the sum of its proper divisors (22950342255).

38699776401 is a wasteful number, since it uses less digits than its factorization.

38699776401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2822.

The product of its (nonzero) digits is 13716864, while the sum is 60.

The spelling of 38699776401 in words is "thirty-eight billion, six hundred ninety-nine million, seven hundred seventy-six thousand, four hundred one".

Divisors: 1 3 11 13 33 39 67 143 201 429 647 737 871 1941 2081 2211 2613 6243 7117 8411 9581 21351 22891 25233 27053 28743 43349 68673 81159 92521 130047 139427 277563 297583 418281 476839 563537 892749 1346407 1430517 1533697 1690611 1812551 4039221 4601091 5437653 6198907 14810477 17503291 18596721 19938061 44431431 52509873 59814183 90209269 192536201 270627807 577608603 992301959 1172720497 2976905877 3518161491 12899925467 38699776401