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130511215120 = 245111311408323
BaseRepresentation
bin111100110001100010…
…0110001101000010000
3110110212112212122221011
41321203010301220100
54114241332340440
6135542300140304
712300122011306
oct1714304615020
9413775778834
10130511215120
11503931a6670
1221363b37694
13c3cba855a0
146461340276
1535dcb949ea
hex1e63131a10

130511215120 has 80 divisors (see below), whose sum is σ = 356487308352. Its totient is φ = 43807956480.

The previous prime is 130511215067. The next prime is 130511215123. The reversal of 130511215120 is 21512115031.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×1305112151202 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 130511215091 and 130511215100.

It is not an unprimeable number, because it can be changed into a prime (130511215123) 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, 5692722 + ... + 5715601.

Almost surely, 2130511215120 is an apocalyptic number.

130511215120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130511215120 is an abundant number, since it is smaller than the sum of its proper divisors (225976093232).

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

130511215120 is a wasteful number, since it uses less digits than its factorization.

130511215120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11408360 (or 11408354 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 22.

The spelling of 130511215120 in words is "one hundred thirty billion, five hundred eleven million, two hundred fifteen thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 13 16 20 22 26 40 44 52 55 65 80 88 104 110 130 143 176 208 220 260 286 440 520 572 715 880 1040 1144 1430 2288 2860 5720 11440 11408323 22816646 45633292 57041615 91266584 114083230 125491553 148308199 182533168 228166460 250983106 296616398 456332920 501966212 593232796 627457765 741540995 912665840 1003932424 1186465592 1254915530 1483081990 1631390189 2007864848 2372931184 2509831060 2966163980 3262780378 5019662120 5932327960 6525560756 8156950945 10039324240 11864655920 13051121512 16313901890 26102243024 32627803780 65255607560 130511215120