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13858742485 = 57395964071
BaseRepresentation
bin11001110100000101…
…11010000011010101
31022202211200001200201
430322002322003111
5211340314224420
610211104540501
71000301240020
oct147202720325
938684601621
1013858742485
115971998395
122829321731
1313cb281353
149568261b7
15561a2e10a
hex33a0ba0d5

13858742485 has 8 divisors (see below), whose sum is σ = 19006275456. Its totient is φ = 9503137680.

The previous prime is 13858742473. The next prime is 13858742581. The reversal of 13858742485 is 58424785831.

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

It is not a de Polignac number, because 13858742485 - 25 = 13858742453 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197982001 + ... + 197982070.

It is an arithmetic number, because the mean of its divisors is an integer number (2375784432).

Almost surely, 213858742485 is an apocalyptic number.

It is an amenable number.

13858742485 is a deficient number, since it is larger than the sum of its proper divisors (5147532971).

13858742485 is an equidigital number, since it uses as much as digits as its factorization.

13858742485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395964083.

The product of its digits is 8601600, while the sum is 55.

The spelling of 13858742485 in words is "thirteen billion, eight hundred fifty-eight million, seven hundred forty-two thousand, four hundred eighty-five".

Divisors: 1 5 7 35 395964071 1979820355 2771748497 13858742485