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130161360 = 2435777477
BaseRepresentation
bin1111100001000…
…01101011010000
3100001220212211010
413300201223100
5231310130420
620525450520
73140232120
oct760415320
9301825733
10130161360
116752217a
1237710a40
1320c74074
1413402c80
15b6614e0
hex7c21ad0

130161360 has 80 divisors (see below), whose sum is σ = 461149056. Its totient is φ = 29750784.

The previous prime is 130161349. The next prime is 130161397. The reversal of 130161360 is 63161031.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×1301613603 (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

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, 37059 + ... + 40418.

Almost surely, 2130161360 is an apocalyptic number.

130161360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130161360 is an abundant number, since it is smaller than the sum of its proper divisors (330987696).

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

130161360 is a wasteful number, since it uses less digits than its factorization.

130161360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77500 (or 77494 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 130161360 is about 11408.8281606833. The cubic root of 130161360 is about 506.7892093560.

The spelling of 130161360 in words is "one hundred thirty million, one hundred sixty-one thousand, three hundred sixty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 48 56 60 70 80 84 105 112 120 140 168 210 240 280 336 420 560 840 1680 77477 154954 232431 309908 387385 464862 542339 619816 774770 929724 1084678 1162155 1239632 1549540 1627017 1859448 2169356 2324310 2711695 3099080 3254034 3718896 4338712 4648620 5423390 6198160 6508068 8135085 8677424 9297240 10846780 13016136 16270170 18594480 21693560 26032272 32540340 43387120 65080680 130161360