Base | Representation |
---|---|
bin | 100101000000110110… |
… | …100101111000001000 |
3 | 10210120202000022101010 |
4 | 211000312211320020 |
5 | 1122343121232113 |
6 | 30131345123520 |
7 | 2604601605213 |
oct | 450066457010 |
9 | 123522008333 |
10 | 39742758408 |
11 | 15944829691 |
12 | 78519295a0 |
13 | 39949a59c2 |
14 | 1cd036877a |
15 | 10791221c3 |
hex | 940da5e08 |
39742758408 has 16 divisors (see below), whose sum is σ = 99356896080. Its totient is φ = 13247586128.
The previous prime is 39742758401. The next prime is 39742758409. The reversal of 39742758408 is 80485724793.
It is not an unprimeable number, because it can be changed into a prime (39742758401) 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, 827974110 + ... + 827974157.
It is an arithmetic number, because the mean of its divisors is an integer number (6209806005).
Almost surely, 239742758408 is an apocalyptic number.
It is an amenable number.
39742758408 is an abundant number, since it is smaller than the sum of its proper divisors (59614137672).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
39742758408 is a wasteful number, since it uses less digits than its factorization.
39742758408 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1655948276 (or 1655948272 counting only the distinct ones).
The product of its (nonzero) digits is 13547520, while the sum is 57.
The spelling of 39742758408 in words is "thirty-nine billion, seven hundred forty-two million, seven hundred fifty-eight thousand, four hundred eight".
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