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13104773744261 = 50021261985441
BaseRepresentation
bin1011111010110011000101…
…1000100100011010000101
31201101210201012210012120012
42332230301120210122011
53204202034034304021
643512125553320005
72521534336624553
oct276546130443205
951353635705505
1013104773744261
1141a2781157591
121577962266005
13740a0c4a87b4
143343bb08cbd3
1517ad42a3435b
hexbeb31624685

13104773744261 has 4 divisors (see below), whose sum is σ = 13105035779724. Its totient is φ = 13104511708800.

The previous prime is 13104773744219. The next prime is 13104773744267. The reversal of 13104773744261 is 16244737740131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7279236376036 + 5825537368225 = 2698006^2 + 2413615^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13104773744261 is a prime.

It is a super-2 number, since 2×131047737442612 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13104773744267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130942700 + ... + 131042741.

It is an arithmetic number, because the mean of its divisors is an integer number (3276258944931).

Almost surely, 213104773744261 is an apocalyptic number.

It is an amenable number.

13104773744261 is a deficient number, since it is larger than the sum of its proper divisors (262035463).

13104773744261 is an equidigital number, since it uses as much as digits as its factorization.

13104773744261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262035462.

The product of its (nonzero) digits is 2370816, while the sum is 50.

The spelling of 13104773744261 in words is "thirteen trillion, one hundred four billion, seven hundred seventy-three million, seven hundred forty-four thousand, two hundred sixty-one".

Divisors: 1 50021 261985441 13104773744261