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130145700 = 223521393121
BaseRepresentation
bin1111100000111…
…01110110100100
3100001220002100010
413300131312210
5231304130300
620525250220
73140135346
oct760356644
9301802303
10130145700
1167511433
1237703970
1320c69bb9
14133db296
15b65ba50
hex7c1dda4

130145700 has 72 divisors (see below), whose sum is σ = 379385440. Its totient is φ = 34444800.

The previous prime is 130145669. The next prime is 130145747. The reversal of 130145700 is 7541031.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40140 + ... + 43260.

Almost surely, 2130145700 is an apocalyptic number.

130145700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130145700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189692720).

130145700 is an abundant number, since it is smaller than the sum of its proper divisors (249239740).

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

130145700 is a wasteful number, since it uses less digits than its factorization.

130145700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3277 (or 3270 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 130145700 is about 11408.1418294129. The cubic root of 130145700 is about 506.7688842321.

Adding to 130145700 its reverse (7541031), we get a palindrome (137686731).

The spelling of 130145700 in words is "one hundred thirty million, one hundred forty-five thousand, seven hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 139 150 278 300 417 556 695 834 1390 1668 2085 2780 3121 3475 4170 6242 6950 8340 9363 10425 12484 13900 15605 18726 20850 31210 37452 41700 46815 62420 78025 93630 156050 187260 234075 312100 433819 468150 867638 936300 1301457 1735276 2169095 2602914 4338190 5205828 6507285 8676380 10845475 13014570 21690950 26029140 32536425 43381900 65072850 130145700