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13272051494520 = 23335713230493407
BaseRepresentation
bin1100000100100010001111…
…1010100010111001111000
31201222210111002101101002000
43001020203322202321320
53214422130140311040
644121032444141000
72536605544220550
oct301104372427170
951883432341060
1013272051494520
114257711081185
1215a4267237760
1375371a458a00
1433c529380160
151803833a2130
hexc1223ea2e78

13272051494520 has 768 divisors, whose sum is σ = 54782645760000. Its totient is φ = 2798516957184.

The previous prime is 13272051494509. The next prime is 13272051494543. The reversal of 13272051494520 is 2549415027231.

13272051494520 is a `hidden beast` number, since 1 + 3 + 2 + 7 + 20 + 5 + 14 + 94 + 520 = 666.

It is a super-2 number, since 2×132720514945202 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3895522657 + ... + 3895526063.

It is an arithmetic number, because the mean of its divisors is an integer number (71331570000).

Almost surely, 213272051494520 is an apocalyptic number.

13272051494520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13272051494520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27391322880000).

13272051494520 is an abundant number, since it is smaller than the sum of its proper divisors (41510594265480).

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

13272051494520 is a wasteful number, since it uses less digits than its factorization.

13272051494520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6509 (or 6486 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 13272051494520 in words is "thirteen trillion, two hundred seventy-two billion, fifty-one million, four hundred ninety-four thousand, five hundred twenty".