Base | Representation |
---|---|
bin | 100001000001100000… |
… | …0010111111001010000 |
3 | 20210001100120200020110 |
4 | 1002003000113321100 |
5 | 2130214322434104 |
6 | 52325021441320 |
7 | 5060253603534 |
oct | 1020300277120 |
9 | 223040520213 |
10 | 70917389904 |
11 | 28092021749 |
12 | 118b2110240 |
13 | 68c251c40a |
14 | 360a7bbbc4 |
15 | 1ca0e24e89 |
hex | 1083017e50 |
70917389904 has 80 divisors (see below), whose sum is σ = 185907962240. Its totient is φ = 23292541440.
The previous prime is 70917389897. The next prime is 70917389911. The reversal of 70917389904 is 40998371907.
It is an interprime number because it is at equal distance from previous prime (70917389897) and next prime (70917389911).
It is a super-2 number, since 2×709173899042 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 909549 + ... + 984435.
It is an arithmetic number, because the mean of its divisors is an integer number (2323849528).
Almost surely, 270917389904 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 70917389904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92953981120).
70917389904 is an abundant number, since it is smaller than the sum of its proper divisors (114990572336).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70917389904 is a wasteful number, since it uses less digits than its factorization.
70917389904 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 75188 (or 75182 counting only the distinct ones).
The product of its (nonzero) digits is 3429216, while the sum is 57.
The spelling of 70917389904 in words is "seventy billion, nine hundred seventeen million, three hundred eighty-nine thousand, nine hundred four".
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