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13402611061 = 71951981373
BaseRepresentation
bin11000111101101101…
…11001110101110101
31021121001101012000021
430132312321311311
5204422032023221
610053532245141
7653062212550
oct143666716565
937531335007
1013402611061
115758474074
1227206107b1
1313579188b8
1491200d697
1553697e041
hex31edb9d75

13402611061 has 8 divisors (see below), whose sum is σ = 15325136384. Its totient is φ = 11482052400.

The previous prime is 13402611023. The next prime is 13402611071. The reversal of 13402611061 is 16011620431.

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

It is not a de Polignac number, because 13402611061 - 229 = 12865740149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13402611071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477030 + ... + 504343.

It is an arithmetic number, because the mean of its divisors is an integer number (1915642048).

Almost surely, 213402611061 is an apocalyptic number.

It is an amenable number.

13402611061 is a deficient number, since it is larger than the sum of its proper divisors (1922525323).

13402611061 is an equidigital number, since it uses as much as digits as its factorization.

13402611061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983331.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 13402611061 in words is "thirteen billion, four hundred two million, six hundred eleven thousand, sixty-one".

Divisors: 1 7 1951 13657 981373 6869611 1914658723 13402611061