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13679018641 = 417334713171
BaseRepresentation
bin11001011110101010…
…10100001010010001
31022022022111010221001
430233111110022101
5211003312044031
610141204502001
7662656511551
oct145725241221
938268433831
1013679018641
11588a4a4192
1227990aa901
13139cc76092
1493aa01161
15550d7c861
hex32f554291

13679018641 has 16 divisors (see below), whose sum is σ = 14246624448. Its totient is φ = 13123641600.

The previous prime is 13679018621. The next prime is 13679018651. The reversal of 13679018641 is 14681097631.

It is a cyclic number.

It is not a de Polignac number, because 13679018641 - 27 = 13679018513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13679018591 and 13679018600.

It is not an unprimeable number, because it can be changed into a prime (13679018621) 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, 1031986 + ... + 1045156.

It is an arithmetic number, because the mean of its divisors is an integer number (890414028).

Almost surely, 213679018641 is an apocalyptic number.

It is an amenable number.

13679018641 is a deficient number, since it is larger than the sum of its proper divisors (567605807).

13679018641 is a wasteful number, since it uses less digits than its factorization.

13679018641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13632.

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 13679018641 in words is "thirteen billion, six hundred seventy-nine million, eighteen thousand, six hundred forty-one".

Divisors: 1 41 73 347 2993 13171 14227 25331 540011 961483 1038571 4570337 39420803 187383817 333634601 13679018641