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13569969827 = 149439207457
BaseRepresentation
bin11001010001101010…
…10100111010100011
31022000201021220002002
430220311110322203
5210242403013302
610122311314215
7660163561151
oct145065247243
938021256062
1013569969827
1158339921a7
12276867b96b
1313834b495b
1492a3363d1
155464dbc02
hex328d54ea3

13569969827 has 8 divisors (see below), whose sum is σ = 13692228000. Its totient is φ = 13448127744.

The previous prime is 13569969769. The next prime is 13569969839. The reversal of 13569969827 is 72896996531.

13569969827 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13569969827 is a prime.

It is a super-2 number, since 2×135699698272 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13569960827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38318 + ... + 169139.

It is an arithmetic number, because the mean of its divisors is an integer number (1711528500).

Almost surely, 213569969827 is an apocalyptic number.

13569969827 is a deficient number, since it is larger than the sum of its proper divisors (122258173).

13569969827 is a wasteful number, since it uses less digits than its factorization.

13569969827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208045.

The product of its digits is 44089920, while the sum is 65.

The spelling of 13569969827 in words is "thirteen billion, five hundred sixty-nine million, nine hundred sixty-nine thousand, eight hundred twenty-seven".

Divisors: 1 149 439 65411 207457 30911093 91073623 13569969827