Search a number
-
+
130156620 = 223511197207
BaseRepresentation
bin1111100001000…
…00100001001100
3100001220122022120
413300200201030
5231310002440
620525412540
73140212236
oct760404114
9301818276
10130156620
1167519660
123770a150
1320c71b69
1413401256
15b65edd0
hex7c2084c

130156620 has 48 divisors (see below), whose sum is σ = 397571328. Its totient is φ = 31552960.

The previous prime is 130156601. The next prime is 130156633. The reversal of 130156620 is 26651031.

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, 97944 + ... + 99263.

It is an arithmetic number, because the mean of its divisors is an integer number (8282736).

Almost surely, 2130156620 is an apocalyptic number.

130156620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130156620 is an abundant number, since it is smaller than the sum of its proper divisors (267414708).

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

130156620 is a wasteful number, since it uses less digits than its factorization.

130156620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197230 (or 197228 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 130156620 is about 11408.6204249243. The cubic root of 130156620 is about 506.7830574790.

The spelling of 130156620 in words is "one hundred thirty million, one hundred fifty-six thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 197207 394414 591621 788828 986035 1183242 1972070 2169277 2366484 2958105 3944140 4338554 5916210 6507831 8677108 10846385 11832420 13015662 21692770 26031324 32539155 43385540 65078310 130156620