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153940001631 = 31319425348847
BaseRepresentation
bin1000111101011110001…
…0100000001101011111
3112201100100021100000220
42033113202200031133
510010232120023011
6154415152252423
714056530265323
oct2172742401537
9481310240026
10153940001631
115a316132749
1225a02241113
1311693924880
147644b67983
15400e952506
hex23d78a035f

153940001631 has 32 divisors (see below), whose sum is σ = 232735319040. Its totient is φ = 89723458944.

The previous prime is 153940001623. The next prime is 153940001641. The reversal of 153940001631 is 136100049351.

It is not a de Polignac number, because 153940001631 - 23 = 153940001623 is a prime.

It is a super-2 number, since 2×1539400016312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 153940001592 and 153940001601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153940001641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3127050 + ... + 3175896.

It is an arithmetic number, because the mean of its divisors is an integer number (7272978720).

Almost surely, 2153940001631 is an apocalyptic number.

153940001631 is a deficient number, since it is larger than the sum of its proper divisors (78795317409).

153940001631 is a wasteful number, since it uses less digits than its factorization.

153940001631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53135.

The product of its (nonzero) digits is 9720, while the sum is 33.

The spelling of 153940001631 in words is "one hundred fifty-three billion, nine hundred forty million, one thousand, six hundred thirty-one".

Divisors: 1 3 13 19 39 57 247 741 4253 12759 48847 55289 80807 146541 165867 242421 635011 928093 1050491 1905033 2784279 3151473 12065209 36195627 207746291 623238873 2700701783 3947179529 8102105349 11841538587 51313333877 153940001631