Base | Representation |
---|---|
bin | 100000110101000000… |
… | …0010111010000010000 |
3 | 20201222010100021022000 |
4 | 1001222000113100100 |
5 | 2123334434110010 |
6 | 52215235514000 |
7 | 5044001513661 |
oct | 1015200272020 |
9 | 221863307260 |
10 | 70497956880 |
11 | 2799729348a |
12 | 117b5758900 |
13 | 68566657b0 |
14 | 35aabd9368 |
15 | 1c791c37c0 |
hex | 106a017410 |
70497956880 has 640 divisors, whose sum is σ = 288971504640. Its totient is φ = 15620014080.
The previous prime is 70497956869. The next prime is 70497956891. The reversal of 70497956880 is 8865979407.
70497956880 is a `hidden beast` number, since 7 + 0 + 497 + 9 + 5 + 68 + 80 = 666.
It is an interprime number because it is at equal distance from previous prime (70497956869) and next prime (70497956891).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 10976070 + ... + 10982490.
It is an arithmetic number, because the mean of its divisors is an integer number (451517976).
Almost surely, 270497956880 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 70497956880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144485752320).
70497956880 is an abundant number, since it is smaller than the sum of its proper divisors (218473547760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70497956880 is a wasteful number, since it uses less digits than its factorization.
70497956880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6496 (or 6484 counting only the distinct ones).
The product of its (nonzero) digits is 30481920, while the sum is 63.
The spelling of 70497956880 in words is "seventy billion, four hundred ninety-seven million, nine hundred fifty-six thousand, eight hundred eighty".
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