Base | Representation |
---|---|
bin | 111011101100100000… |
… | …010100010100001110 |
3 | 20010110001122011120000 |
4 | 323230200110110032 |
5 | 2022232420440232 |
6 | 45240154305130 |
7 | 4426252140000 |
oct | 735440242416 |
9 | 203401564500 |
10 | 64097436942 |
11 | 25202372090 |
12 | 1050a1281a6 |
13 | 60766058a6 |
14 | 3160b2c370 |
15 | 1a0232327c |
hex | eec81450e |
64097436942 has 400 divisors, whose sum is σ = 186238445184. Its totient is φ = 16336404000.
The previous prime is 64097436929. The next prime is 64097437037. The reversal of 64097436942 is 24963479046.
It is a super-2 number, since 2×640974369422 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 199 ways as a sum of consecutive naturals, for example, 303779217 + ... + 303779427.
Almost surely, 264097436942 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 64097436942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93119222592).
64097436942 is an abundant number, since it is smaller than the sum of its proper divisors (122141008242).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64097436942 is a wasteful number, since it uses less digits than its factorization.
64097436942 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 335 (or 305 counting only the distinct ones).
The product of its (nonzero) digits is 7838208, while the sum is 54.
The spelling of 64097436942 in words is "sixty-four billion, ninety-seven million, four hundred thirty-six thousand, nine hundred forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •