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130110211220 = 225111573766943
BaseRepresentation
bin111100100101100101…
…1000100010010010100
3110102211121022112222212
41321023023010102110
54112431203224340
6135434413212552
712254152355603
oct1711313042224
9412747275885
10130110211220
11501a7905490
1221271791158
13c366982082
146423d97a3a
1535b7883a65
hex1e4b2c4494

130110211220 has 48 divisors (see below), whose sum is σ = 299969284608. Its totient is φ = 47011436160.

The previous prime is 130110211193. The next prime is 130110211223. The reversal of 130110211220 is 22112011031.

It is a junction number, because it is equal to n+sod(n) for n = 130110211195 and 130110211204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130110211223) 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, 1848932 + ... + 1918011.

It is an arithmetic number, because the mean of its divisors is an integer number (6249360096).

Almost surely, 2130110211220 is an apocalyptic number.

130110211220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130110211220 is an abundant number, since it is smaller than the sum of its proper divisors (169859073388).

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

130110211220 is a wasteful number, since it uses less digits than its factorization.

130110211220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3767120 (or 3767118 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 130110211220 its reverse (22112011031), we get a palindrome (152222222251).

The spelling of 130110211220 in words is "one hundred thirty billion, one hundred ten million, two hundred eleven thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 157 220 314 628 785 1570 1727 3140 3454 6908 8635 17270 34540 3766943 7533886 15067772 18834715 37669430 41436373 75338860 82872746 165745492 207181865 414363730 591410051 828727460 1182820102 2365640204 2957050255 5914100510 6505510561 11828201020 13011021122 26022042244 32527552805 65055105610 130110211220