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13146087294 = 23489911783
BaseRepresentation
bin11000011111001000…
…10101111101111110
31020221011200102120000
430033210111331332
5203410344243134
610012250135130
7643525620054
oct141744257576
936834612500
1013146087294
115636694a5a
12266a7214a6
1313167309a2
148c9d161d4
1551e1abe99
hex30f915f7e

13146087294 has 40 divisors (see below), whose sum is σ = 29787983280. Its totient is φ = 4332788064.

The previous prime is 13146087293. The next prime is 13146087307. The reversal of 13146087294 is 49278064131.

13146087294 is a `hidden beast` number, since 1 + 3 + 14 + 608 + 7 + 29 + 4 = 666.

It is a super-2 number, since 2×131460872942 (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13146087293) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 441474 + ... + 470309.

It is an arithmetic number, because the mean of its divisors is an integer number (744699582).

Almost surely, 213146087294 is an apocalyptic number.

13146087294 is an abundant number, since it is smaller than the sum of its proper divisors (16641895986).

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

13146087294 is an equidigital number, since it uses as much as digits as its factorization.

13146087294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911886 (or 911877 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 13146087294 in words is "thirteen billion, one hundred forty-six million, eighty-seven thousand, two hundred ninety-four".

Divisors: 1 2 3 6 9 18 27 54 81 89 162 178 267 534 801 1602 2403 4806 7209 14418 911783 1823566 2735349 5470698 8206047 16412094 24618141 49236282 73854423 81148687 147708846 162297374 243446061 486892122 730338183 1460676366 2191014549 4382029098 6573043647 13146087294