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130020132 = 223114322907
BaseRepresentation
bin1111011111111…
…11001100100100
3100001122201002110
413233333030210
5231241121012
620522441020
73136103304
oct757771444
9301581073
10130020132
1167436060
1237663170
1320c249b8
14133a7604
15b63473c
hex7bff324

130020132 has 48 divisors (see below), whose sum is σ = 338671872. Its totient is φ = 38482080.

The previous prime is 130020103. The next prime is 130020151. The reversal of 130020132 is 231020031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5778 + ... + 17129.

It is an arithmetic number, because the mean of its divisors is an integer number (7055664).

Almost surely, 2130020132 is an apocalyptic number.

130020132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

130020132 is an abundant number, since it is smaller than the sum of its proper divisors (208651740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130020132 is a wasteful number, since it uses less digits than its factorization.

130020132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22968 (or 22966 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 130020132 is about 11402.6370634165. The cubic root of 130020132 is about 506.6058504643.

Adding to 130020132 its reverse (231020031), we get a palindrome (361040163).

The spelling of 130020132 in words is "one hundred thirty million, twenty thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 11 12 22 33 43 44 66 86 129 132 172 258 473 516 946 1419 1892 2838 5676 22907 45814 68721 91628 137442 251977 274884 503954 755931 985001 1007908 1511862 1970002 2955003 3023724 3940004 5910006 10835011 11820012 21670022 32505033 43340044 65010066 130020132