Base | Representation |
---|---|
bin | 111110111111100110… |
… | …100000101110000110 |
3 | 20110120212210220201011 |
4 | 332333212200232012 |
5 | 2102011044200230 |
6 | 51023431352434 |
7 | 4613105315542 |
oct | 767746405606 |
9 | 213525726634 |
10 | 67639053190 |
11 | 2675a533865 |
12 | 1113822271a |
13 | 64bc2835c7 |
14 | 33b9240a22 |
15 | 1b5d200e2a |
hex | fbf9a0b86 |
67639053190 has 32 divisors (see below), whose sum is σ = 122919358464. Its totient is φ = 26796561120.
The previous prime is 67639053101. The next prime is 67639053197. The reversal of 67639053190 is 9135093676.
It is a super-2 number, since 2×676390531902 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67639053197) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 700125 + ... + 790855.
It is an arithmetic number, because the mean of its divisors is an integer number (3841229952).
Almost surely, 267639053190 is an apocalyptic number.
67639053190 is a deficient number, since it is larger than the sum of its proper divisors (55280305274).
67639053190 is a wasteful number, since it uses less digits than its factorization.
67639053190 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 91452.
The product of its (nonzero) digits is 918540, while the sum is 49.
The spelling of 67639053190 in words is "sixty-seven billion, six hundred thirty-nine million, fifty-three thousand, one hundred ninety".
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