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13923520459 = 37939079403
BaseRepresentation
bin11001111011110100…
…00000111111001011
31022221100120010100221
430331322000333023
5212003410123314
610221341210511
71002015654052
oct147572007713
938840503327
1013923520459
1159a5512002
122846b60a37
13140b812004
14961289399
15567577824
hex33de80fcb

13923520459 has 8 divisors (see below), whose sum is σ = 13965316160. Its totient is φ = 13881752136.

The previous prime is 13923520453. The next prime is 13923520487. The reversal of 13923520459 is 95402532931.

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

It is a cyclic number.

It is not a de Polignac number, because 13923520459 - 25 = 13923520427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13923520453) 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, 1476052 + ... + 1485454.

It is an arithmetic number, because the mean of its divisors is an integer number (1745664520).

Almost surely, 213923520459 is an apocalyptic number.

13923520459 is a deficient number, since it is larger than the sum of its proper divisors (41795701).

13923520459 is an equidigital number, since it uses as much as digits as its factorization.

13923520459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13689.

The product of its (nonzero) digits is 291600, while the sum is 43.

The spelling of 13923520459 in words is "thirteen billion, nine hundred twenty-three million, five hundred twenty thousand, four hundred fifty-nine".

Divisors: 1 379 3907 9403 1480753 3563737 36737521 13923520459