Base | Representation |
---|---|
bin | 1000111110111111010… |
… | …00001101111011111111 |
3 | 1002111210110020102110021 |
4 | 10133133220031323333 |
5 | 20024201300240111 |
6 | 353451243153011 |
7 | 31205511203503 |
oct | 4373750157377 |
9 | 1074713212407 |
10 | 308694540031 |
11 | 109a0a024979 |
12 | 4b9b1215767 |
13 | 2315721bb57 |
14 | 10d25b62303 |
15 | 806ab4dd71 |
hex | 47dfa0deff |
308694540031 has 8 divisors (see below), whose sum is σ = 310939134800. Its totient is φ = 306450285120.
The previous prime is 308694540029. The next prime is 308694540041. The reversal of 308694540031 is 130045496803.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 308694540031 - 21 = 308694540029 is a prime.
It is a super-3 number, since 3×3086945400313 (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
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 308694540031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (308694540041) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1907305 + ... + 2062813.
It is an arithmetic number, because the mean of its divisors is an integer number (38867391850).
Almost surely, 2308694540031 is an apocalyptic number.
308694540031 is a deficient number, since it is larger than the sum of its proper divisors (2244594769).
308694540031 is a wasteful number, since it uses less digits than its factorization.
308694540031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 169929.
The product of its (nonzero) digits is 311040, while the sum is 43.
The spelling of 308694540031 in words is "three hundred eight billion, six hundred ninety-four million, five hundred forty thousand, thirty-one".
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