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130020031999 = 11213187344131
BaseRepresentation
bin111100100010111001…
…1000011110111111111
3110102121022121222100201
41321011303003313333
54112240112010444
6135421432304331
712252006015454
oct1710563036777
9412538558321
10130020031999
1150160a11500
12212475420a7
13c3510996a0
14641600182b
1535ae9bddd4
hex1e45cc3dff

130020031999 has 24 divisors (see below), whose sum is σ = 153993671216. Its totient is φ = 109046995200.

The previous prime is 130020031951. The next prime is 130020032059. The reversal of 130020031999 is 999130020031.

It is not a de Polignac number, because 130020031999 - 219 = 130019507711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130020034999) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2924164 + ... + 2968294.

Almost surely, 2130020031999 is an apocalyptic number.

130020031999 is a deficient number, since it is larger than the sum of its proper divisors (23973639217).

130020031999 is a wasteful number, since it uses less digits than its factorization.

130020031999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46039 (or 46028 counting only the distinct ones).

The product of its (nonzero) digits is 13122, while the sum is 37.

The spelling of 130020031999 in words is "one hundred thirty billion, twenty million, thirty-one thousand, nine hundred ninety-nine".

Divisors: 1 11 13 121 143 1573 1873 20603 24349 44131 226633 267839 485441 573703 2946229 5339851 6310733 69418063 82657363 909230993 1074545719 10001540923 11820002909 130020031999