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38949294983 = 172134772647
BaseRepresentation
bin100100010001100011…
…110001001110000111
310201112102222012011212
4210101203301032013
51114232004414413
625520522322035
72546125354604
oct442143611607
9121472865155
1038949294983
1115577952895
12767005931b
1338994a1111
141c56c216ab
15102e63bca8
hex9118f1387

38949294983 has 6 divisors (see below), whose sum is σ = 41375202936. Its totient is φ = 36658159712.

The previous prime is 38949294971. The next prime is 38949295003.

38949294983 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 38949294983 - 218 = 38949032839 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38949294913) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67386035 + ... + 67386612.

It is an arithmetic number, because the mean of its divisors is an integer number (6895867156).

Almost surely, 238949294983 is an apocalyptic number.

38949294983 is a deficient number, since it is larger than the sum of its proper divisors (2425907953).

38949294983 is a wasteful number, since it uses less digits than its factorization.

38949294983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134772681 (or 134772664 counting only the distinct ones).

The product of its digits is 120932352, while the sum is 68.

The spelling of 38949294983 in words is "thirty-eight billion, nine hundred forty-nine million, two hundred ninety-four thousand, nine hundred eighty-three".

Divisors: 1 17 289 134772647 2291134999 38949294983