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39401383682757 = 397499271342573
BaseRepresentation
bin10001111010101110110010…
…11110100110001011000101
312011111201212011201022201210
420331113121132212023011
520131023013210322012
6215444425031042033
711204441006231145
oct1075273136461305
9164451764638653
1039401383682757
111161103a995948
124504303810319
1318ca6c44c4965
149a3073cda925
15484dc15be23c
hex23d5d97a62c5

39401383682757 has 16 divisors (see below), whose sum is σ = 53183144504000. Its totient is φ = 25944691364352.

The previous prime is 39401383682747. The next prime is 39401383682849. The reversal of 39401383682757 is 75728638310493.

It is not a de Polignac number, because 39401383682757 - 211 = 39401383680709 is a prime.

It is a super-2 number, since 2×394013836827572 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39401383682707) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135526078 + ... + 135816495.

It is an arithmetic number, because the mean of its divisors is an integer number (3323946531500).

It is a 1-persistent number, because it is pandigital, but 2⋅39401383682757 = 78802767365514 is not.

Almost surely, 239401383682757 is an apocalyptic number.

It is an amenable number.

39401383682757 is a deficient number, since it is larger than the sum of its proper divisors (13781760821243).

39401383682757 is a wasteful number, since it uses less digits than its factorization.

39401383682757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271343172.

The product of its (nonzero) digits is 182891520, while the sum is 66.

The spelling of 39401383682757 in words is "thirty-nine trillion, four hundred one billion, three hundred eighty-three million, six hundred eighty-two thousand, seven hundred fifty-seven".

Divisors: 1 3 97 291 499 1497 48403 145209 271342573 814027719 26320229581 78960688743 135399943927 406199831781 13133794560919 39401383682757