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13663027325 = 522713076569
BaseRepresentation
bin11001011100110000…
…10100000001111101
31022021012101200222002
430232120110001331
5210440213333300
610135434032045
7662403546623
oct145630240175
938235350862
1013663027325
115881471722
122793878625
13139986746c
1493883b513
1554e76e5d5
hex32e61407d

13663027325 has 24 divisors (see below), whose sum is σ = 17062657920. Its totient is φ = 10852963200.

The previous prime is 13663027297. The next prime is 13663027337. The reversal of 13663027325 is 52372036631.

It is not a de Polignac number, because 13663027325 - 216 = 13662961789 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2076641 + ... + 2083209.

It is an arithmetic number, because the mean of its divisors is an integer number (710944080).

Almost surely, 213663027325 is an apocalyptic number.

It is an amenable number.

13663027325 is a deficient number, since it is larger than the sum of its proper divisors (3399630595).

13663027325 is a wasteful number, since it uses less digits than its factorization.

13663027325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7157 (or 7152 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 38.

The spelling of 13663027325 in words is "thirteen billion, six hundred sixty-three million, twenty-seven thousand, three hundred twenty-five".

Divisors: 1 5 25 271 307 1355 1535 6569 6775 7675 32845 83197 164225 415985 1780199 2016683 2079925 8900995 10083415 44504975 50417075 546521093 2732605465 13663027325