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13215351325204 = 2272395719700999
BaseRepresentation
bin1100000001001111000001…
…0100100100001000010100
31201210101010120000100001001
43000103300110210020110
53213010014414401304
644035014254513044
72532530503561510
oct300236024441024
951711116010031
1013215351325204
114235665332816
121595282505784
1374b282551a72
143398aac61140
1517db656bbda4
hexc04f0524214

13215351325204 has 24 divisors (see below), whose sum is σ = 26431807248000. Its totient is φ = 5663485297056.

The previous prime is 13215351325201. The next prime is 13215351325217. The reversal of 13215351325204 is 40252315351231.

It is a happy number.

It is a super-2 number, since 2×132153513252042 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13215351325201) 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, 9179704 + ... + 10521295.

It is an arithmetic number, because the mean of its divisors is an integer number (1101325302000).

Almost surely, 213215351325204 is an apocalyptic number.

13215351325204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13215351325204 is an abundant number, since it is smaller than the sum of its proper divisors (13216455922796).

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

13215351325204 is a wasteful number, since it uses less digits than its factorization.

13215351325204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19724967 (or 19724965 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 37.

Adding to 13215351325204 its reverse (40252315351231), we get a palindrome (53467666676435).

The spelling of 13215351325204 in words is "thirteen trillion, two hundred fifteen billion, three hundred fifty-one million, three hundred twenty-five thousand, two hundred four".

Divisors: 1 2 4 7 14 28 23957 47914 95828 167699 335398 670796 19700999 39401998 78803996 137906993 275813986 551627972 471976833043 943953666086 1887907332172 3303837831301 6607675662602 13215351325204