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13898294019 = 3217233949501
BaseRepresentation
bin11001111000110011…
…10010001100000011
31022212121002111012100
430330121302030003
5211430430402034
610215040401443
71001261356431
oct147431621403
938777074170
1013898294019
115992252005
12283a616283
13140651ba1c
1495bb9dd51
15565243099
hex33c672303

13898294019 has 24 divisors (see below), whose sum is σ = 22180403232. Its totient is φ = 8341344000.

The previous prime is 13898293987. The next prime is 13898294027. The reversal of 13898294019 is 91049289831.

It is not a de Polignac number, because 13898294019 - 25 = 13898293987 is a prime.

It is a super-2 number, since 2×138982940192 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13898290019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1971232 + ... + 1978269.

It is an arithmetic number, because the mean of its divisors is an integer number (924183468).

Almost surely, 213898294019 is an apocalyptic number.

13898294019 is a deficient number, since it is larger than the sum of its proper divisors (8282109213).

13898294019 is a wasteful number, since it uses less digits than its factorization.

13898294019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3949547 (or 3949544 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 54.

The spelling of 13898294019 in words is "thirteen billion, eight hundred ninety-eight million, two hundred ninety-four thousand, nineteen".

Divisors: 1 3 9 17 23 51 69 153 207 391 1173 3519 3949501 11848503 35545509 67141517 90838523 201424551 272515569 604273653 817546707 1544254891 4632764673 13898294019