Base | Representation |
---|---|
bin | 1011110000101110… |
… | …0100011100101000 |
3 | 22011000201210220020 |
4 | 2330023210130220 |
5 | 22431212240410 |
6 | 1241140400440 |
7 | 141144220302 |
oct | 27413443450 |
9 | 8130653806 |
10 | 3157149480 |
11 | 1380146151 |
12 | 7413a6120 |
13 | 3b41176b4 |
14 | 21d432972 |
15 | 137286a70 |
hex | bc2e4728 |
3157149480 has 32 divisors (see below), whose sum is σ = 9471448800. Its totient is φ = 841906496.
The previous prime is 3157149439. The next prime is 3157149481. The reversal of 3157149480 is 849417513.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (3157149481) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13154670 + ... + 13154909.
It is an arithmetic number, because the mean of its divisors is an integer number (295982775).
Almost surely, 23157149480 is an apocalyptic number.
3157149480 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
3157149480 is an abundant number, since it is smaller than the sum of its proper divisors (6314299320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3157149480 is a wasteful number, since it uses less digits than its factorization.
3157149480 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26309593 (or 26309589 counting only the distinct ones).
The product of its (nonzero) digits is 120960, while the sum is 42.
The square root of 3157149480 is about 56188.5173322806. The cubic root of 3157149480 is about 1467.0054082136.
The spelling of 3157149480 in words is "three billion, one hundred fifty-seven million, one hundred forty-nine thousand, four hundred eighty".
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