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130313111220 = 223251634441483
BaseRepresentation
bin111100101011101000…
…1000100011010110100
3110110100202002221110200
41321113101010122310
54113340124024340
6135510502120500
712262165112025
oct1712721043264
9413322087420
10130313111220
11502a1399236
1221309720130
13c399a13346
146442cd2c4c
1535ca5b2330
hex1e574446b4

130313111220 has 72 divisors (see below), whose sum is σ = 397708243296. Its totient is φ = 34536964032.

The previous prime is 130313111213. The next prime is 130313111251. The reversal of 130313111220 is 22111313031.

130313111220 is a `hidden beast` number, since 1 + 303 + 131 + 11 + 220 = 666.

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 = 130313111193 and 130313111202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2191402 + ... + 2250081.

Almost surely, 2130313111220 is an apocalyptic number.

130313111220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130313111220 is an abundant number, since it is smaller than the sum of its proper divisors (267395132076).

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

130313111220 is a wasteful number, since it uses less digits than its factorization.

130313111220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4441661 (or 4441656 counting only the distinct ones).

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

Adding to 130313111220 its reverse (22111313031), we get a palindrome (152424424251).

The spelling of 130313111220 in words is "one hundred thirty billion, three hundred thirteen million, one hundred eleven thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 163 180 326 489 652 815 978 1467 1630 1956 2445 2934 3260 4890 5868 7335 9780 14670 29340 4441483 8882966 13324449 17765932 22207415 26648898 39973347 44414830 53297796 66622245 79946694 88829660 133244490 159893388 199866735 266488980 399733470 723961729 799466940 1447923458 2171885187 2895846916 3619808645 4343770374 6515655561 7239617290 8687540748 10859425935 13031311122 14479234580 21718851870 26062622244 32578277805 43437703740 65156555610 130313111220