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13011201022220 = 2253313795124697
BaseRepresentation
bin1011110101010110100000…
…0000111101100100001100
31201001212011222012102011022
42331111220000331210030
53201133414430202340
643401132505213312
72512012455620012
oct275255000754414
951055158172138
1013011201022220
114167023859555
1215617a8a91238
13734c4943740b
1432da618a28b2
151786b7bd33b5
hexbd56803d90c

13011201022220 has 48 divisors (see below), whose sum is σ = 27336313861248. Its totient is φ = 5202044467200.

The previous prime is 13011201022207. The next prime is 13011201022223. The reversal of 13011201022220 is 2222010211031.

It is not an unprimeable number, because it can be changed into a prime (13011201022223) 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, 526820912 + ... + 526845608.

It is an arithmetic number, because the mean of its divisors is an integer number (569506538776).

Almost surely, 213011201022220 is an apocalyptic number.

13011201022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13011201022220 is an abundant number, since it is smaller than the sum of its proper divisors (14325112839028).

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

13011201022220 is a wasteful number, since it uses less digits than its factorization.

13011201022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35970 (or 35968 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 13011201022220 its reverse (2222010211031), we get a palindrome (15233211233251).

The spelling of 13011201022220 in words is "thirteen trillion, eleven billion, two hundred one million, twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 3313 6626 7951 13252 15902 16565 24697 31804 33130 39755 49394 66260 79510 98788 123485 159020 246970 493940 26341663 52683326 81821161 105366652 131708315 163642322 196365847 263416630 327284644 392731694 409105805 526833260 785463388 818211610 981829235 1636423220 1963658470 3927316940 650560051111 1301120102222 2602240204444 3252800255555 6505600511110 13011201022220