Base | Representation |
---|---|
bin | 100111001010001010011… |
… | …000100010001110000100 |
3 | 100112020212102002102201100 |
4 | 213022022120202032010 |
5 | 323042102112332344 |
6 | 5420114244100100 |
7 | 365262526631322 |
oct | 47121230421604 |
9 | 10466772072640 |
10 | 2690971214724 |
11 | 948264108471 |
12 | 375640994630 |
13 | 1669b02b2c00 |
14 | 9435aa08d12 |
15 | 49ee95be569 |
hex | 2728a622384 |
2690971214724 has 81 divisors (see below), whose sum is σ = 7366021455429. Its totient is φ = 827951772960.
The previous prime is 2690971214717. The next prime is 2690971214797. The reversal of 2690971214724 is 4274121790962.
The square root of 2690971214724 is 1640418.
It is a perfect power (a square), and thus also a powerful number.
2690971214724 is a `hidden beast` number, since 2 + 69 + 0 + 97 + 1 + 21 + 472 + 4 = 666.
It can be written as a sum of positive squares in only one way, i.e., 398072664900 + 2292898549824 = 630930^2 + 1514232^2 .
It is a super-2 number, since 2×26909712147242 (a number of 26 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 127942089 + ... + 127963119.
Almost surely, 22690971214724 is an apocalyptic number.
2690971214724 is the 1640418-th square number.
It is an amenable number.
2690971214724 is an abundant number, since it is smaller than the sum of its proper divisors (4675050240705).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2690971214724 is an equidigital number, since it uses as much as digits as its factorization.
2690971214724 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42098 (or 21049 counting only the distinct ones).
The product of its (nonzero) digits is 3048192, while the sum is 54.
The spelling of 2690971214724 in words is "two trillion, six hundred ninety billion, nine hundred seventy-one million, two hundred fourteen thousand, seven hundred twenty-four".
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