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13124440630661 = 231102751748241
BaseRepresentation
bin1011111011111100010110…
…0111110010010110000101
31201110200110211111112212012
42332333011213302112011
53210012323300140121
643525141303104005
72523131605455023
oct276770547622605
951420424445765
1013124440630661
114200053645408
12157b730742005
13742824b60399
14335325021713
1517b5e43eec5b
hexbefc59f2585

13124440630661 has 8 divisors (see below), whose sum is σ = 13696310706624. Its totient is φ = 12552674073280.

The previous prime is 13124440630517. The next prime is 13124440630703. The reversal of 13124440630661 is 16603604442131.

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-13124440630661 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 (13124440530661) 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, 25620500 + ... + 26127741.

It is an arithmetic number, because the mean of its divisors is an integer number (1712038838328).

Almost surely, 213124440630661 is an apocalyptic number.

It is an amenable number.

13124440630661 is a deficient number, since it is larger than the sum of its proper divisors (571870075963).

13124440630661 is a wasteful number, since it uses less digits than its factorization.

13124440630661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51759291.

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 13124440630661 in words is "thirteen trillion, one hundred twenty-four billion, four hundred forty million, six hundred thirty thousand, six hundred sixty-one".

Divisors: 1 23 11027 253621 51748241 1190209543 570627853507 13124440630661