Base | Representation |
---|---|
bin | 101000110100100… |
… | …0010100011100110 |
3 | 10112110100121211022 |
4 | 1101221002203212 |
5 | 10301121302440 |
6 | 343525411142 |
7 | 45641236661 |
oct | 12151024346 |
9 | 3473317738 |
10 | 1369712870 |
11 | 643192609 |
12 | 322869ab2 |
13 | 18aa05bb6 |
14 | cdcaa6d8 |
15 | 803b0cb5 |
hex | 51a428e6 |
1369712870 has 24 divisors (see below), whose sum is σ = 2499816816. Its totient is φ = 540358848.
The previous prime is 1369712843. The next prime is 1369712881. The reversal of 1369712870 is 782179631.
It is a super-2 number, since 2×13697128702 = 3752226692487273800, which contains 22 as substring.
It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40439 + ... + 66141.
It is an arithmetic number, because the mean of its divisors is an integer number (104159034).
Almost surely, 21369712870 is an apocalyptic number.
1369712870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1369712870 is a deficient number, since it is larger than the sum of its proper divisors (1130103946).
1369712870 is an equidigital number, since it uses as much as digits as its factorization.
1369712870 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25856 (or 25783 counting only the distinct ones).
The product of its (nonzero) digits is 127008, while the sum is 44.
The square root of 1369712870 is about 37009.6321246240. The cubic root of 1369712870 is about 1110.5629452480.
The spelling of 1369712870 in words is "one billion, three hundred sixty-nine million, seven hundred twelve thousand, eight hundred seventy".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •