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13213219512318 = 2371329723659507
BaseRepresentation
bin1100000001000111000101…
…0000010101111111111110
31201210011121222122000112020
43000101301100111333332
53212441133143343233
644034022542421010
72532423616505550
oct300216120257776
951704558560466
1013213219512318
114234770a46191
121594988591766
1374b0029a5a17
14339747a934d0
1517da8d46d9b3
hexc0471415ffe

13213219512318 has 32 divisors (see below), whose sum is σ = 30203917188864. Its totient is φ = 3774921501312.

The previous prime is 13213219512287. The next prime is 13213219512329. The reversal of 13213219512318 is 81321591231231.

13213219512318 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×132132195123182 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 13213219512318.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11271280 + ... + 12388227.

It is an arithmetic number, because the mean of its divisors is an integer number (943872412152).

Almost surely, 213213219512318 is an apocalyptic number.

13213219512318 is an abundant number, since it is smaller than the sum of its proper divisors (16990697676546).

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

13213219512318 is a wasteful number, since it uses less digits than its factorization.

13213219512318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23672816.

The product of its digits is 77760, while the sum is 42.

The spelling of 13213219512318 in words is "thirteen trillion, two hundred thirteen billion, two hundred nineteen million, five hundred twelve thousand, three hundred eighteen".

Divisors: 1 2 3 6 7 14 21 42 13297 26594 39891 79782 93079 186158 279237 558474 23659507 47319014 70978521 141957042 165616549 331233098 496849647 993699294 314600464579 629200929158 943801393737 1887602787474 2202203252053 4404406504106 6606609756159 13213219512318