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130852870 = 25431132693
BaseRepresentation
bin1111100110010…
…10100000000110
3100010020000101121
413303022200012
5231444242440
620552344154
73146142151
oct763124006
9303200347
10130852870
1167954775
12379a505a
1321156a45
1413542c98
15b74b34a
hex7cca806

130852870 has 32 divisors (see below), whose sum is σ = 243235872. Its totient is φ = 50652672.

The previous prime is 130852823. The next prime is 130852877. The reversal of 130852870 is 78258031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130852877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47244 + ... + 49936.

It is an arithmetic number, because the mean of its divisors is an integer number (7601121).

Almost surely, 2130852870 is an apocalyptic number.

130852870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130852870 is a deficient number, since it is larger than the sum of its proper divisors (112383002).

130852870 is a wasteful number, since it uses less digits than its factorization.

130852870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2856.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 130852870 is about 11439.0939326504. The cubic root of 130852870 is about 507.6850999601.

The spelling of 130852870 in words is "one hundred thirty million, eight hundred fifty-two thousand, eight hundred seventy".

Divisors: 1 2 5 10 43 86 113 215 226 430 565 1130 2693 4859 5386 9718 13465 24295 26930 48590 115799 231598 304309 578995 608618 1157990 1521545 3043090 13085287 26170574 65426435 130852870