Base | Representation |
---|---|
bin | 100000000000001000… |
… | …1011011110000100110 |
3 | 20120101111102022020212 |
4 | 1000000101123300212 |
5 | 2111221324000021 |
6 | 51323230455422 |
7 | 4652021521505 |
oct | 1000021336046 |
9 | 216344368225 |
10 | 68724046886 |
11 | 27166a29670 |
12 | 1139b664572 |
13 | 6632cabb01 |
14 | 347d39483c |
15 | 1bc35c085b |
hex | 100045bc26 |
68724046886 has 32 divisors (see below), whose sum is σ = 115131456000. Its totient is φ = 30502557280.
The previous prime is 68724046879. The next prime is 68724046891. The reversal of 68724046886 is 68864042786.
It is a Harshad number since it is a multiple of its sum of digits (59).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15731 + ... + 371073.
It is an arithmetic number, because the mean of its divisors is an integer number (3597858000).
Almost surely, 268724046886 is an apocalyptic number.
68724046886 is a deficient number, since it is larger than the sum of its proper divisors (46407409114).
68724046886 is a wasteful number, since it uses less digits than its factorization.
68724046886 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 355564.
The product of its (nonzero) digits is 24772608, while the sum is 59.
The spelling of 68724046886 in words is "sixty-eight billion, seven hundred twenty-four million, forty-six thousand, eight hundred eighty-six".
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