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130121475 = 352111091447
BaseRepresentation
bin1111100000101…
…11111100000011
3100001211212002220
413300113330003
5231302341400
620524542123
73140004621
oct760277403
9301755086
10130121475
11674a5210
12376b1943
1320c5bb73
14133d2511
15b6547a0
hex7c17f03

130121475 has 48 divisors (see below), whose sum is σ = 237008640. Its totient is φ = 62467200.

The previous prime is 130121447. The next prime is 130121501. The reversal of 130121475 is 574121031.

It is not a de Polignac number, because 130121475 - 214 = 130105091 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 89202 + ... + 90648.

It is an arithmetic number, because the mean of its divisors is an integer number (4937680).

Almost surely, 2130121475 is an apocalyptic number.

130121475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

130121475 is a deficient number, since it is larger than the sum of its proper divisors (106887165).

130121475 is a wasteful number, since it uses less digits than its factorization.

130121475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580 (or 1575 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 130121475 is about 11407.0800382920. The cubic root of 130121475 is about 506.7374393770.

The spelling of 130121475 in words is "one hundred thirty million, one hundred twenty-one thousand, four hundred seventy-five".

Divisors: 1 3 5 11 15 25 33 55 75 109 165 275 327 545 825 1199 1447 1635 2725 3597 4341 5995 7235 8175 15917 17985 21705 29975 36175 47751 79585 89925 108525 157723 238755 397925 473169 788615 1193775 1734953 2365845 3943075 5204859 8674765 11829225 26024295 43373825 130121475