Base | Representation |
---|---|
bin | 100000110010111111… |
… | …1011101110010010110 |
3 | 20201210102121211100112 |
4 | 1001211333131302112 |
5 | 2123220214101010 |
6 | 52204432243022 |
7 | 5042223221030 |
oct | 1014577356226 |
9 | 221712554315 |
10 | 70430612630 |
11 | 27962276784 |
12 | 117970a0472 |
13 | 6845716a21 |
14 | 35a1ca8c50 |
15 | 1c7331ea05 |
hex | 1065fddc96 |
70430612630 has 64 divisors (see below), whose sum is σ = 146598221952. Its totient is φ = 23862988800.
The previous prime is 70430612573. The next prime is 70430612639. The reversal of 70430612630 is 3621603407.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70430612639) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4752392 + ... + 4767188.
It is an arithmetic number, because the mean of its divisors is an integer number (2290597218).
Almost surely, 270430612630 is an apocalyptic number.
70430612630 is a gapful number since it is divisible by the number (70) formed by its first and last digit.
70430612630 is an abundant number, since it is smaller than the sum of its proper divisors (76167609322).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70430612630 is a wasteful number, since it uses less digits than its factorization.
70430612630 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15609.
The product of its (nonzero) digits is 18144, while the sum is 32.
The spelling of 70430612630 in words is "seventy billion, four hundred thirty million, six hundred twelve thousand, six hundred thirty".
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