Base | Representation |
---|---|
bin | 11000111011101111100… |
… | …01101100011011011101 |
3 | 10000220022110021000012002 |
4 | 30131313301230123131 |
5 | 103014014222221040 |
6 | 1453322145452045 |
7 | 115616010625250 |
oct | 14356761543335 |
9 | 3026273230162 |
10 | 856708007645 |
11 | 300367377216 |
12 | 11a051941025 |
13 | 62a30699299 |
14 | 2d671925097 |
15 | 17441a24a15 |
hex | c777c6c6dd |
856708007645 has 64 divisors (see below), whose sum is σ = 1253099911680. Its totient is φ = 548878589952.
The previous prime is 856708007633. The next prime is 856708007711. The reversal of 856708007645 is 546700807658.
It is not a de Polignac number, because 856708007645 - 26 = 856708007581 is a prime.
It is a super-2 number, since 2×8567080076452 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 65707067 + ... + 65720103.
It is an arithmetic number, because the mean of its divisors is an integer number (19579686120).
Almost surely, 2856708007645 is an apocalyptic number.
856708007645 is a gapful number since it is divisible by the number (85) formed by its first and last digit.
It is an amenable number.
856708007645 is a deficient number, since it is larger than the sum of its proper divisors (396391904035).
856708007645 is a wasteful number, since it uses less digits than its factorization.
856708007645 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13862.
The product of its (nonzero) digits is 11289600, while the sum is 56.
The spelling of 856708007645 in words is "eight hundred fifty-six billion, seven hundred eight million, seven thousand, six hundred forty-five".
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