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130485120 = 273567961
BaseRepresentation
bin1111100011100…
…00101110000000
3100002112022221020
413301300232000
5231401010440
620540425440
73143051043
oct761605600
9302468836
10130485120
1167723447
1237848280
132105853c
1413488c5a
15b6c73d0
hex7c70b80

130485120 has 64 divisors (see below), whose sum is σ = 415927440. Its totient is φ = 34795520.

The previous prime is 130485067. The next prime is 130485133. The reversal of 130485120 is 21584031.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32061 + ... + 35900.

Almost surely, 2130485120 is an apocalyptic number.

130485120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130485120 is an abundant number, since it is smaller than the sum of its proper divisors (285442320).

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

130485120 is an equidigital number, since it uses as much as digits as its factorization.

130485120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67983 (or 67971 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 130485120 is about 11423.0083603226. The cubic root of 130485120 is about 507.2090529023.

The spelling of 130485120 in words is "one hundred thirty million, four hundred eighty-five thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 320 384 480 640 960 1920 67961 135922 203883 271844 339805 407766 543688 679610 815532 1019415 1087376 1359220 1631064 2038830 2174752 2718440 3262128 4077660 4349504 5436880 6524256 8155320 8699008 10873760 13048512 16310640 21747520 26097024 32621280 43495040 65242560 130485120