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13405883156485 = 535911816323843
BaseRepresentation
bin1100001100010100110011…
…1001110100100000000101
31202110120221001021012202221
43003011030321310200011
53224120222042001420
644302324441132341
72552354165454211
oct303051471644005
952416831235687
1013405883156485
1142a9448607696
12160619718a0b1
13763228102231
14344bc369d941
15183ab77d7caa
hexc314ce74805

13405883156485 has 16 divisors (see below), whose sum is σ = 16145532593280. Its totient is φ = 10685775257920.

The previous prime is 13405883156473. The next prime is 13405883156489. The reversal of 13405883156485 is 58465138850431.

It is a de Polignac number, because none of the positive numbers 2k-13405883156485 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13405883156489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1042027 + ... + 5281816.

It is an arithmetic number, because the mean of its divisors is an integer number (1009095787080).

Almost surely, 213405883156485 is an apocalyptic number.

It is an amenable number.

13405883156485 is a deficient number, since it is larger than the sum of its proper divisors (2739649436795).

13405883156485 is a wasteful number, since it uses less digits than its factorization.

13405883156485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6325388.

The product of its (nonzero) digits is 55296000, while the sum is 61.

The spelling of 13405883156485 in words is "thirteen trillion, four hundred five billion, eight hundred eighty-three million, one hundred fifty-six thousand, four hundred eighty-five".

Divisors: 1 5 359 1181 1795 5905 423979 2119895 6323843 31619215 2270259637 7468458583 11351298185 37342292915 2681176631297 13405883156485