Base | Representation |
---|---|
bin | 100000111110111100… |
… | …1010101110000000000 |
3 | 20202211101021010222000 |
4 | 1001331321111300000 |
5 | 2130030401110112 |
6 | 52312320144000 |
7 | 5055163114320 |
oct | 1017571256000 |
9 | 222741233860 |
10 | 70831660032 |
11 | 28048697611 |
12 | 11889468000 |
13 | 68aa833c93 |
14 | 35dd263280 |
15 | 1c9863d7dc |
hex | 107de55c00 |
70831660032 has 352 divisors, whose sum is σ = 241552550400. Its totient is φ = 20084391936.
The previous prime is 70831660021. The next prime is 70831660069. The reversal of 70831660032 is 23006613807.
It is a happy number.
70831660032 is a `hidden beast` number, since 7 + 0 + 8 + 3 + 16 + 600 + 32 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26900188 + ... + 26902820.
Almost surely, 270831660032 is an apocalyptic number.
70831660032 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 70831660032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120776275200).
70831660032 is an abundant number, since it is smaller than the sum of its proper divisors (170720890368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70831660032 is a wasteful number, since it uses less digits than its factorization.
70831660032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2808 (or 2784 counting only the distinct ones).
The product of its (nonzero) digits is 36288, while the sum is 36.
The spelling of 70831660032 in words is "seventy billion, eight hundred thirty-one million, six hundred sixty thousand, thirty-two".
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