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38813619903 = 3531237197341
BaseRepresentation
bin100100001001011110…
…001101011010111111
310201011222200011221220
4210021132031122333
51113442241314103
625455234324423
72542560216462
oct441136153277
9121158604856
1038813619903
1115508305123
127632729713
1338773494c6
141c42bc52d9
15102278bc53
hex90978d6bf

38813619903 has 16 divisors (see below), whose sum is σ = 52770829536. Its totient is φ = 25366872960.

The previous prime is 38813619899. The next prime is 38813619907. The reversal of 38813619903 is 30991631883.

It is an interprime number because it is at equal distance from previous prime (38813619899) and next prime (38813619907).

It is not a de Polignac number, because 38813619903 - 22 = 38813619899 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38813619907) 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, 98013 + ... + 295353.

It is an arithmetic number, because the mean of its divisors is an integer number (3298176846).

Almost surely, 238813619903 is an apocalyptic number.

38813619903 is a deficient number, since it is larger than the sum of its proper divisors (13957209633).

38813619903 is a wasteful number, since it uses less digits than its factorization.

38813619903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198634.

The product of its (nonzero) digits is 839808, while the sum is 51.

The spelling of 38813619903 in words is "thirty-eight billion, eight hundred thirteen million, six hundred nineteen thousand, nine hundred three".

Divisors: 1 3 53 159 1237 3711 65561 196683 197341 592023 10459073 31377219 244110817 732332451 12937873301 38813619903