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13201220251411 = 157163515854021
BaseRepresentation
bin1100000000011010011000…
…0010110010111100010011
31201202000122201220102000121
43000012212002302330103
53212242044341021121
644024320140531111
72531520354460603
oct300064602627423
951660581812017
1013201220251411
11422a673749935
121592599b50a97
13749b3ca3c73a
14338d2a1c8c03
1517d5d9ce7141
hexc01a60b2f13

13201220251411 has 8 divisors (see below), whose sum is σ = 13366809418064. Its totient is φ = 13036662793440.

The previous prime is 13201220251409. The next prime is 13201220251423. The reversal of 13201220251411 is 11415202210231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13201220251411 - 21 = 13201220251409 is a prime.

It is a super-2 number, since 2×132012202514112 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13201220251711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257901420 + ... + 257952601.

It is an arithmetic number, because the mean of its divisors is an integer number (1670851177258).

Almost surely, 213201220251411 is an apocalyptic number.

13201220251411 is a deficient number, since it is larger than the sum of its proper divisors (165589166653).

13201220251411 is a wasteful number, since it uses less digits than its factorization.

13201220251411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515854341.

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 13201220251411 its reverse (11415202210231), we get a palindrome (24616422461642).

The spelling of 13201220251411 in words is "thirteen trillion, two hundred one billion, two hundred twenty million, two hundred fifty-one thousand, four hundred eleven".

Divisors: 1 157 163 25591 515854021 80989081297 84084205423 13201220251411