Base | Representation |
---|---|
bin | 111110100001001100… |
… | …0011001101010000100 |
3 | 110211112122111202011220 |
4 | 1331002120121222010 |
5 | 4144424431211410 |
6 | 141402132000340 |
7 | 12462013304415 |
oct | 1750230315204 |
9 | 424478452156 |
10 | 134257678980 |
11 | 51a35a61397 |
12 | 2202a7600b0 |
13 | c877cc6bc9 |
14 | 66d8b3780c |
15 | 375ba38070 |
hex | 1f42619a84 |
134257678980 has 24 divisors (see below), whose sum is σ = 375921501312. Its totient is φ = 35802047712.
The previous prime is 134257678957. The next prime is 134257678981. The reversal of 134257678980 is 89876752431.
It is a Harshad number since it is a multiple of its sum of digits (60), and also a Moran number because the ratio is a prime number: 2237627983 = 134257678980 / (1 + 3 + 4 + 2 + 5 + 7 + 6 + 7 + 8 + 9 + 8 + 0).
It is not an unprimeable number, because it can be changed into a prime (134257678981) 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, 1118813932 + ... + 1118814051.
It is an arithmetic number, because the mean of its divisors is an integer number (15663395888).
It is a 1-persistent number, because it is pandigital, but 2⋅134257678980 = 268515357960 is not.
Almost surely, 2134257678980 is an apocalyptic number.
134257678980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
134257678980 is an abundant number, since it is smaller than the sum of its proper divisors (241663822332).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
134257678980 is a wasteful number, since it uses less digits than its factorization.
134257678980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2237627995 (or 2237627993 counting only the distinct ones).
The product of its (nonzero) digits is 20321280, while the sum is 60.
The spelling of 134257678980 in words is "one hundred thirty-four billion, two hundred fifty-seven million, six hundred seventy-eight thousand, nine hundred eighty".
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