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130121313120 = 2532590362023
BaseRepresentation
bin111100100101111010…
…1011010101101100000
3110102212101012120221100
41321023311122231200
54112442024004440
6135435451154400
712254345624631
oct1711365325540
9412771176840
10130121313120
11502030a8507
1221275445a00
13c36906b346
146425647888
1535b8828230
hex1e4bd5ab60

130121313120 has 72 divisors (see below), whose sum is σ = 444038985936. Its totient is φ = 34699016448.

The previous prime is 130121313109. The next prime is 130121313143. The reversal of 130121313120 is 21313121031.

130121313120 is a `hidden beast` number, since 1 + 301 + 21 + 31 + 312 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×1301213131202 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 130121313093 and 130121313102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45179572 + ... + 45182451.

It is an arithmetic number, because the mean of its divisors is an integer number (6167208138).

Almost surely, 2130121313120 is an apocalyptic number.

130121313120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130121313120 is an abundant number, since it is smaller than the sum of its proper divisors (313917672816).

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

130121313120 is a wasteful number, since it uses less digits than its factorization.

130121313120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90362044 (or 90362033 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 130121313120 its reverse (21313121031), we get a palindrome (151434434151).

The spelling of 130121313120 in words is "one hundred thirty billion, one hundred twenty-one million, three hundred thirteen thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 240 288 360 480 720 1440 90362023 180724046 271086069 361448092 451810115 542172138 722896184 813258207 903620230 1084344276 1355430345 1445792368 1626516414 1807240460 2168688552 2710860690 2891584736 3253032828 3614480920 4066291035 4337377104 5421721380 6506065656 7228961840 8132582070 8674754208 10843442760 13012131312 14457923680 16265164140 21686885520 26024262624 32530328280 43373771040 65060656560 130121313120