Base | Representation |
---|---|
bin | 10010100011101010100… |
… | …011100001000100111000 |
3 | 11111220122001101111021221 |
4 | 102203222203201010320 |
5 | 131343200321424210 |
6 | 2413501212441424 |
7 | 161063525613526 |
oct | 22435243410470 |
9 | 4456561344257 |
10 | 1275245498680 |
11 | 451912924a3a |
12 | 187199179274 |
13 | 933416b881a |
14 | 45a17a69316 |
15 | 2328aa981da |
hex | 128ea8e1138 |
1275245498680 has 32 divisors (see below), whose sum is σ = 2872840425840. Its totient is φ = 509469212160.
The previous prime is 1275245498671. The next prime is 1275245498699. The reversal of 1275245498680 is 868945425721.
It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19623009 + ... + 19687888.
Almost surely, 21275245498680 is an apocalyptic number.
1275245498680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1275245498680 is an abundant number, since it is smaller than the sum of its proper divisors (1597594927160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1275245498680 is a wasteful number, since it uses less digits than its factorization.
1275245498680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39311719 (or 39311715 counting only the distinct ones).
The product of its (nonzero) digits is 38707200, while the sum is 61.
The spelling of 1275245498680 in words is "one trillion, two hundred seventy-five billion, two hundred forty-five million, four hundred ninety-eight thousand, six hundred eighty".
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