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130561312 = 2571930677
BaseRepresentation
bin1111100100000…
…11010100100000
3100002200012110011
413302003110200
5231410430222
620542214304
73143516140
oct762032440
9302605404
10130561312
1167775712
1237884394
132108411b
14134a8920
15b6dec77
hex7c83520

130561312 has 48 divisors (see below), whose sum is σ = 309234240. Its totient is φ = 53008128.

The previous prime is 130561307. The next prime is 130561339. The reversal of 130561312 is 213165031.

It is a happy number.

It is a super-2 number, since 2×1305613122 = 34092512382322688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11083 + ... + 19594.

It is an arithmetic number, because the mean of its divisors is an integer number (6442380).

Almost surely, 2130561312 is an apocalyptic number.

It is an amenable number.

130561312 is an abundant number, since it is smaller than the sum of its proper divisors (178672928).

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

130561312 is a wasteful number, since it uses less digits than its factorization.

130561312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30713 (or 30705 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 130561312 is about 11426.3428970078. The cubic root of 130561312 is about 507.3077557346.

The spelling of 130561312 in words is "one hundred thirty million, five hundred sixty-one thousand, three hundred twelve".

Divisors: 1 2 4 7 8 14 16 19 28 32 38 56 76 112 133 152 224 266 304 532 608 1064 2128 4256 30677 61354 122708 214739 245416 429478 490832 582863 858956 981664 1165726 1717912 2331452 3435824 4080041 4662904 6871648 8160082 9325808 16320164 18651616 32640328 65280656 130561312