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130746870 = 23251452743
BaseRepresentation
bin1111100101100…
…00100111110110
3100010000121222200
413302300213312
5231432344440
620550205330
73145221132
oct762604766
9303017880
10130746870
1167892071
1237953846
132111a717
14135163c2
15b729c30
hex7cb09f6

130746870 has 24 divisors (see below), whose sum is σ = 339942096. Its totient is φ = 34865808.

The previous prime is 130746859. The next prime is 130746883. The reversal of 130746870 is 78647031.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 726282 + ... + 726461.

It is an arithmetic number, because the mean of its divisors is an integer number (14164254).

Almost surely, 2130746870 is an apocalyptic number.

130746870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130746870 is an abundant number, since it is smaller than the sum of its proper divisors (209195226).

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

130746870 is a wasteful number, since it uses less digits than its factorization.

130746870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452756 (or 1452753 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 130746870 is about 11434.4597598662. The cubic root of 130746870 is about 507.5479760836.

The spelling of 130746870 in words is "one hundred thirty million, seven hundred forty-six thousand, eight hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 1452743 2905486 4358229 7263715 8716458 13074687 14527430 21791145 26149374 43582290 65373435 130746870