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130823880 = 23351199109
BaseRepresentation
bin1111100110000…
…11011011001000
3100010011112121220
413303003123020
5231442331010
620552002040
73145661505
oct763033310
9303145556
10130823880
1167934a10
1237990320
13211467a5
14135364ac
15b742970
hex7cc36c8

130823880 has 64 divisors (see below), whose sum is σ = 428155200. Its totient is φ = 31714560.

The previous prime is 130823867. The next prime is 130823899. The reversal of 130823880 is 88328031.

It is a super-2 number, since 2×1308238802 = 34229775156508800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 48235 + ... + 50874.

It is an arithmetic number, because the mean of its divisors is an integer number (6689925).

Almost surely, 2130823880 is an apocalyptic number.

130823880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130823880 is an abundant number, since it is smaller than the sum of its proper divisors (297331320).

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

130823880 is a wasteful number, since it uses less digits than its factorization.

130823880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99134 (or 99130 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 130823880 is about 11437.8267166451. The cubic root of 130823880 is about 507.6476052327.

The spelling of 130823880 in words is "one hundred thirty million, eight hundred twenty-three thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 20 22 24 30 33 40 44 55 60 66 88 110 120 132 165 220 264 330 440 660 1320 99109 198218 297327 396436 495545 594654 792872 991090 1090199 1189308 1486635 1982180 2180398 2378616 2973270 3270597 3964360 4360796 5450995 5946540 6541194 8721592 10901990 11893080 13082388 16352985 21803980 26164776 32705970 43607960 65411940 130823880