Base | Representation |
---|---|
bin | 111111000010111101… |
… | …100111110000000000 |
3 | 20110201210220210220120 |
4 | 333002331213300000 |
5 | 2102120013133234 |
6 | 51033204140240 |
7 | 4614361525263 |
oct | 770275476000 |
9 | 213653823816 |
10 | 67695442944 |
11 | 26789349268 |
12 | 11153097680 |
13 | 64cab6821c |
14 | 33c291ccda |
15 | 1b6313e049 |
hex | fc2f67c00 |
67695442944 has 176 divisors, whose sum is σ = 188675101440. Its totient is φ = 21538570240.
The previous prime is 67695442891. The next prime is 67695442981. The reversal of 67695442944 is 44924459676.
It is a happy number.
67695442944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
Its product of digits (52254720) is a multiple of the sum of its prime divisors (2048).
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, 53768587 + ... + 53769845.
Almost surely, 267695442944 is an apocalyptic number.
67695442944 is a gapful number since it is divisible by the number (64) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 67695442944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94337550720).
67695442944 is an abundant number, since it is smaller than the sum of its proper divisors (120979658496).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67695442944 is a wasteful number, since it uses less digits than its factorization.
67695442944 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2066 (or 2048 counting only the distinct ones).
The product of its digits is 52254720, while the sum is 60.
The spelling of 67695442944 in words is "sixty-seven billion, six hundred ninety-five million, four hundred forty-two thousand, nine hundred forty-four".
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