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13215351335352 = 233975676697309
BaseRepresentation
bin1100000001001111000001…
…0100100110100110111000
31201210101010120000211221220
43000103300110212212320
53213010014420212402
644035014255032040
72532530503633215
oct300236024464670
951711116024856
1013215351335352
11423566533a401
12159528250b620
1374b28255657a
143398aac64b0c
1517db656bedbc
hexc04f05269b8

13215351335352 has 32 divisors (see below), whose sum is σ = 33378980182800. Its totient is φ = 4359703532544.

The previous prime is 13215351335309. The next prime is 13215351335359. The reversal of 13215351335352 is 25353315351231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13215351335359) 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, 2838346327 + ... + 2838350982.

Almost surely, 213215351335352 is an apocalyptic number.

13215351335352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13215351335352 is an abundant number, since it is smaller than the sum of its proper divisors (20163628847448).

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

13215351335352 is a wasteful number, since it uses less digits than its factorization.

13215351335352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5676697415 (or 5676697411 counting only the distinct ones).

The product of its digits is 607500, while the sum is 42.

Adding to 13215351335352 its reverse (25353315351231), we get a palindrome (38568666686583).

The spelling of 13215351335352 in words is "thirteen trillion, two hundred fifteen billion, three hundred fifty-one million, three hundred thirty-five thousand, three hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 97 194 291 388 582 776 1164 2328 5676697309 11353394618 17030091927 22706789236 34060183854 45413578472 68120367708 136240735416 550639638973 1101279277946 1651918916919 2202558555892 3303837833838 4405117111784 6607675667676 13215351335352