Base | Representation |
---|---|
bin | 111010010100111… |
… | …0000100100111010 |
3 | 12001101122011212202 |
4 | 1310221300210322 |
5 | 13002004311210 |
6 | 522111310202 |
7 | 66333052235 |
oct | 16451604472 |
9 | 5041564782 |
10 | 1957103930 |
11 | 914809171 |
12 | 46751b362 |
13 | 252608582 |
14 | 147cd041c |
15 | b6c3c9a5 |
hex | 74a7093a |
1957103930 has 16 divisors (see below), whose sum is σ = 3708197280. Its totient is φ = 741639312.
The previous prime is 1957103899. The next prime is 1957103957. The reversal of 1957103930 is 393017591.
It is a Harshad number since it is a multiple of its sum of digits (38).
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5150084 + ... + 5150463.
It is an arithmetic number, because the mean of its divisors is an integer number (231762330).
Almost surely, 21957103930 is an apocalyptic number.
1957103930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1957103930 is a deficient number, since it is larger than the sum of its proper divisors (1751093350).
1957103930 is a wasteful number, since it uses less digits than its factorization.
1957103930 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10300573.
The product of its (nonzero) digits is 25515, while the sum is 38.
The square root of 1957103930 is about 44239.1673746240. The cubic root of 1957103930 is about 1250.8482626302.
The spelling of 1957103930 in words is "one billion, nine hundred fifty-seven million, one hundred three thousand, nine hundred thirty".
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