Base | Representation |
---|---|
bin | 100000111110010000… |
… | …0001110000000000000 |
3 | 20202202202022012120000 |
4 | 1001330200032000000 |
5 | 2130003411004342 |
6 | 52310123320000 |
7 | 5054460412023 |
oct | 1017440160000 |
9 | 222682265500 |
10 | 70808297472 |
11 | 2803648aa10 |
12 | 11881680000 |
13 | 68a5a44193 |
14 | 35da1011ba |
15 | 1c9657644c |
hex | 107c80e000 |
70808297472 has 560 divisors, whose sum is σ = 235502348400. Its totient is φ = 21021327360.
The previous prime is 70808297459. The next prime is 70808297491. The reversal of 70808297472 is 27479280807.
70808297472 is a `hidden beast` number, since 7 + 0 + 8 + 0 + 82 + 97 + 472 = 666.
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 39 ways as a sum of consecutive naturals, for example, 649617354 + ... + 649617462.
Almost surely, 270808297472 is an apocalyptic number.
70808297472 is a gapful number since it is divisible by the number (72) 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 70808297472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117751174200).
70808297472 is an abundant number, since it is smaller than the sum of its proper divisors (164694050928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70808297472 is a wasteful number, since it uses less digits than its factorization.
70808297472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 247 (or 214 counting only the distinct ones).
The product of its (nonzero) digits is 3161088, while the sum is 54.
The spelling of 70808297472 in words is "seventy billion, eight hundred eight million, two hundred ninety-seven thousand, four hundred seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •