Base | Representation |
---|---|
bin | 1011110000101101… |
… | …1111011100110000 |
3 | 22011000200202211000 |
4 | 2330023133130300 |
5 | 22431211112013 |
6 | 1241140122000 |
7 | 141144103515 |
oct | 27413373460 |
9 | 8130622730 |
10 | 3157129008 |
11 | 1380131830 |
12 | 741396300 |
13 | 3b410b297 |
14 | 21d42930c |
15 | 137280973 |
hex | bc2df730 |
3157129008 has 80 divisors (see below), whose sum is σ = 9885974400. Its totient is φ = 956704320.
The previous prime is 3157128983. The next prime is 3157129009. The reversal of 3157129008 is 8009217513.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (3157129009) 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, 327438 + ... + 336941.
It is an arithmetic number, because the mean of its divisors is an integer number (123574680).
Almost surely, 23157129008 is an apocalyptic number.
It is an amenable number.
3157129008 is an abundant number, since it is smaller than the sum of its proper divisors (6728845392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3157129008 is a wasteful number, since it uses less digits than its factorization.
3157129008 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 664407 (or 664395 counting only the distinct ones).
The product of its (nonzero) digits is 15120, while the sum is 36.
The square root of 3157129008 is about 56188.3351595329. The cubic root of 3157129008 is about 1467.0022373576.
The spelling of 3157129008 in words is "three billion, one hundred fifty-seven million, one hundred twenty-nine thousand, eight".
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