Base | Representation |
---|---|
bin | 100100000011111010… |
… | …001100110101011011 |
3 | 10200221111001202012200 |
4 | 210003322030311123 |
5 | 1113244343403420 |
6 | 25442102141243 |
7 | 2540345033130 |
oct | 440372146533 |
9 | 120844052180 |
10 | 38720294235 |
11 | 1546a662177 |
12 | 7607421823 |
13 | 3860c0190c |
14 | 1c34650587 |
15 | 10194a4b90 |
hex | 903e8cd5b |
38720294235 has 36 divisors (see below), whose sum is σ = 76709977968. Its totient is φ = 17699109408.
The previous prime is 38720294233. The next prime is 38720294287. The reversal of 38720294235 is 53249202783.
38720294235 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 38720294235 - 21 = 38720294233 is a prime.
It is a super-2 number, since 2×387202942352 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is not an unprimeable number, because it can be changed into a prime (38720294231) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3486862 + ... + 3497948.
Almost surely, 238720294235 is an apocalyptic number.
38720294235 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
38720294235 is a deficient number, since it is larger than the sum of its proper divisors (37989683733).
38720294235 is an frugal number, since it uses more digits than its factorization.
38720294235 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22192 (or 11102 counting only the distinct ones).
The product of its (nonzero) digits is 725760, while the sum is 45.
The spelling of 38720294235 in words is "thirty-eight billion, seven hundred twenty million, two hundred ninety-four thousand, two hundred thirty-five".
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