Base | Representation |
---|---|
bin | 10000000110100101101000… |
… | …001000000110101111101100 |
3 | 100021202110120111121120211120 |
4 | 100012211220020012233230 |
5 | 33240314323422331423 |
6 | 410342533020020540 |
7 | 20626452603252351 |
oct | 2006455010065754 |
9 | 307673514546746 |
10 | 70821462698988 |
11 | 20625239422281 |
12 | 7b39810691750 |
13 | 30695873c0061 |
14 | 136bac4466628 |
15 | 82c367180ee3 |
hex | 406968206bec |
70821462698988 has 48 divisors (see below), whose sum is σ = 167435570077440. Its totient is φ = 23296975274304.
The previous prime is 70821462698951. The next prime is 70821462699019. The reversal of 70821462698988 is 88989626412807.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126843931 + ... + 127401042.
It is an arithmetic number, because the mean of its divisors is an integer number (3488241043280).
Almost surely, 270821462698988 is an apocalyptic number.
It is an amenable number.
70821462698988 is an abundant number, since it is smaller than the sum of its proper divisors (96614107378452).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70821462698988 is a wasteful number, since it uses less digits than its factorization.
70821462698988 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 254245286 (or 254245284 counting only the distinct ones).
The product of its (nonzero) digits is 1337720832, while the sum is 78.
The spelling of 70821462698988 in words is "seventy trillion, eight hundred twenty-one billion, four hundred sixty-two million, six hundred ninety-eight thousand, nine hundred eighty-eight".
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