Base | Representation |
---|---|
bin | 10011110000110111100… |
… | …01001010011101000000 |
3 | 2101220210121100002001100 |
4 | 21320123301022131000 |
5 | 42111214100033342 |
6 | 1235543305534400 |
7 | 100030001521065 |
oct | 11703361123500 |
9 | 2356717302040 |
10 | 679070705472 |
11 | 241aa0789975 |
12 | ab7374a4400 |
13 | 4c0613acab3 |
14 | 24c1d838c6c |
15 | 129e6974e4c |
hex | 9e1bc4a740 |
679070705472 has 84 divisors (see below), whose sum is σ = 2060929689156. Its totient is φ = 213041786880.
The previous prime is 679070705459. The next prime is 679070705477. The reversal of 679070705472 is 274507070976.
679070705472 is a `hidden beast` number, since 6 + 7 + 90 + 7 + 0 + 7 + 0 + 547 + 2 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 586547666496 + 92523038976 = 765864^2 + 304176^2 .
It is a super-2 number, since 2×6790707054722 (a number of 24 digits) contains 22 as substring.
It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (679070705477) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34664979 + ... + 34684562.
Almost surely, 2679070705472 is an apocalyptic number.
It is an amenable number.
679070705472 is an abundant number, since it is smaller than the sum of its proper divisors (1381858983684).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
679070705472 is a wasteful number, since it uses less digits than its factorization.
679070705472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69349576 (or 69349563 counting only the distinct ones).
The product of its (nonzero) digits is 5186160, while the sum is 54.
The spelling of 679070705472 in words is "six hundred seventy-nine billion, seventy million, seven hundred five thousand, four hundred seventy-two".
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