Base | Representation |
---|---|
bin | 111001111111011011111… |
… | …0100000010100110101001 |
3 | 1001012221121022010201011012 |
4 | 1303332313310002212221 |
5 | 2021041032020104021 |
6 | 24541251555513305 |
7 | 1451555115643241 |
oct | 163766764024651 |
9 | 31187538121135 |
10 | 7970248206761 |
11 | 25a3188368665 |
12 | a8882bbb8835 |
13 | 45a78ba94489 |
14 | 1d7a951a4b21 |
15 | dc4d001935b |
hex | 73fb7d029a9 |
7970248206761 has 4 divisors (see below), whose sum is σ = 8120630248452. Its totient is φ = 7819866165072.
The previous prime is 7970248206731. The next prime is 7970248206803. The reversal of 7970248206761 is 1676028420797.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 5991387048361 + 1978861158400 = 2447731^2 + 1406720^2 .
It is a de Polignac number, because none of the positive numbers 2k-7970248206761 is a prime.
It is a super-2 number, since 2×79702482067612 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 7970248206761.
It is not an unprimeable number, because it can be changed into a prime (7970248206731) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75191020766 + ... + 75191020871.
It is an arithmetic number, because the mean of its divisors is an integer number (2030157562113).
Almost surely, 27970248206761 is an apocalyptic number.
It is an amenable number.
7970248206761 is a deficient number, since it is larger than the sum of its proper divisors (150382041691).
7970248206761 is a wasteful number, since it uses less digits than its factorization.
7970248206761 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 150382041690.
The product of its (nonzero) digits is 14224896, while the sum is 59.
The spelling of 7970248206761 in words is "seven trillion, nine hundred seventy billion, two hundred forty-eight million, two hundred six thousand, seven hundred sixty-one".
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