Base | Representation |
---|---|
bin | 100000000000000101… |
… | …1100010111011111000 |
3 | 20120101101111220000022 |
4 | 1000000023202323320 |
5 | 2111220430102131 |
6 | 51323133430012 |
7 | 4652002432550 |
oct | 1000013427370 |
9 | 216341456008 |
10 | 68722503416 |
11 | 27166074a76 |
12 | 1139b03b308 |
13 | 663288b408 |
14 | 347d0b2160 |
15 | 1bc33b837b |
hex | 10002e2ef8 |
68722503416 has 64 divisors (see below), whose sum is σ = 155053440000. Its totient is φ = 27895121280.
The previous prime is 68722503401. The next prime is 68722503431. The reversal of 68722503416 is 61430522786.
It is an interprime number because it is at equal distance from previous prime (68722503401) and next prime (68722503431).
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, 6358385 + ... + 6369183.
It is an arithmetic number, because the mean of its divisors is an integer number (2422710000).
Almost surely, 268722503416 is an apocalyptic number.
It is an amenable number.
68722503416 is an abundant number, since it is smaller than the sum of its proper divisors (86330936584).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68722503416 is a wasteful number, since it uses less digits than its factorization.
68722503416 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16812 (or 16808 counting only the distinct ones).
The product of its (nonzero) digits is 483840, while the sum is 44.
The spelling of 68722503416 in words is "sixty-eight billion, seven hundred twenty-two million, five hundred three thousand, four hundred sixteen".
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