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130122031020 = 22353709584713
BaseRepresentation
bin111100100101111100…
…0001001111110101100
3110102212102120001201020
41321023320021332230
54112442214443040
6135435514414140
712254355004632
oct1711370117654
9412772501636
10130122031020
1150203548913
1221275731350
13c369260037
146425793352
1535b891acd0
hex1e4be09fac

130122031020 has 48 divisors (see below), whose sum is σ = 364440541920. Its totient is φ = 34689793536.

The previous prime is 130122030977. The next prime is 130122031051. The reversal of 130122031020 is 20130221031.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 69817 + ... + 514896.

It is an arithmetic number, because the mean of its divisors is an integer number (7592511290).

Almost surely, 2130122031020 is an apocalyptic number.

130122031020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130122031020 is an abundant number, since it is smaller than the sum of its proper divisors (234318510900).

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

130122031020 is a wasteful number, since it uses less digits than its factorization.

130122031020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588434 (or 588432 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 130122031020 its reverse (20130221031), we get a palindrome (150252252051).

The spelling of 130122031020 in words is "one hundred thirty billion, one hundred twenty-two million, thirty-one thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 3709 7418 11127 14836 18545 22254 37090 44508 55635 74180 111270 222540 584713 1169426 1754139 2338852 2923565 3508278 5847130 7016556 8770695 11694260 17541390 35082780 2168700517 4337401034 6506101551 8674802068 10843502585 13012203102 21687005170 26024406204 32530507755 43374010340 65061015510 130122031020