Base | Representation |
---|---|
bin | 111001000100000000… |
… | …110101110000100111 |
3 | 12212011001110122011010 |
4 | 321010000311300213 |
5 | 2000440234104111 |
6 | 44051453513303 |
7 | 4266225421605 |
oct | 710400656047 |
9 | 185131418133 |
10 | 61270613031 |
11 | 23a91733481 |
12 | ba5b4a2833 |
13 | 5a15a76214 |
14 | 2d73524875 |
15 | 18d908aaa6 |
hex | e44035c27 |
61270613031 has 16 divisors (see below), whose sum is σ = 86273139456. Its totient is φ = 38600375616.
The previous prime is 61270613023. The next prime is 61270613093. The reversal of 61270613031 is 13031607216.
It is not a de Polignac number, because 61270613031 - 23 = 61270613023 is a prime.
It is a super-2 number, since 2×612706130312 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 61270613031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61270613021) 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, 5343550 + ... + 5355003.
It is an arithmetic number, because the mean of its divisors is an integer number (5392071216).
Almost surely, 261270613031 is an apocalyptic number.
61270613031 is a deficient number, since it is larger than the sum of its proper divisors (25002526425).
61270613031 is a wasteful number, since it uses less digits than its factorization.
61270613031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10698662.
The product of its (nonzero) digits is 4536, while the sum is 30.
The spelling of 61270613031 in words is "sixty-one billion, two hundred seventy million, six hundred thirteen thousand, thirty-one".
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