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13861000423 = 131471054309
BaseRepresentation
bin11001110100010111…
…00001010011100111
31022202222220210000001
430322023201103213
5211341404003143
610211225202131
71000326362644
oct147213412347
938688823001
1013861000423
11597319a856
12282a030347
1313cb891cca
14956c52dcb
15561d2814d
hex33a2e14e7

13861000423 has 4 divisors (see below), whose sum is σ = 13862067880. Its totient is φ = 13859932968.

The previous prime is 13861000397. The next prime is 13861000427. The reversal of 13861000423 is 32400016831.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13861000423 - 233 = 5271065831 is a prime.

It is a super-3 number, since 3×138610004233 (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13861000391 and 13861000400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13861000427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 514008 + ... + 540301.

It is an arithmetic number, because the mean of its divisors is an integer number (3465516970).

Almost surely, 213861000423 is an apocalyptic number.

13861000423 is a deficient number, since it is larger than the sum of its proper divisors (1067457).

13861000423 is a wasteful number, since it uses less digits than its factorization.

13861000423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067456.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 13861000423 in words is "thirteen billion, eight hundred sixty-one million, four hundred twenty-three", and thus it is an aban number.

Divisors: 1 13147 1054309 13861000423