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38857113147 = 341498763347
BaseRepresentation
bin100100001100000100…
…000111111000111011
310201022000111212110210
4210030010013320323
51114034410110042
625503430442203
72543626004106
oct441404077073
9121260455423
1038857113147
111552a911256
127645203363
133883367058
141c488a773d
1510264cda9c
hex90c107e3b

38857113147 has 16 divisors (see below), whose sum is σ = 53084610432. Its totient is φ = 25267452480.

The previous prime is 38857113103. The next prime is 38857113149. The reversal of 38857113147 is 74131175883.

It is not a de Polignac number, because 38857113147 - 27 = 38857113019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38857113096 and 38857113105.

It is not an unprimeable number, because it can be changed into a prime (38857113149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 581728 + ... + 645074.

It is an arithmetic number, because the mean of its divisors is an integer number (3317788152).

Almost surely, 238857113147 is an apocalyptic number.

38857113147 is a deficient number, since it is larger than the sum of its proper divisors (14227497285).

38857113147 is a wasteful number, since it uses less digits than its factorization.

38857113147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68378.

The product of its digits is 564480, while the sum is 48.

The spelling of 38857113147 in words is "thirty-eight billion, eight hundred fifty-seven million, one hundred thirteen thousand, one hundred forty-seven".

Divisors: 1 3 41 123 4987 14961 63347 190041 204467 613401 2597227 7791681 315911489 947734467 12952371049 38857113147