Base | Representation |
---|---|
bin | 1110000110111101100001… |
… | …10111100010111011100111 |
3 | 11001212000021120012220001212 |
4 | 13003132300313202323213 |
5 | 13031310224112130043 |
6 | 145552531512542035 |
7 | 6351343132563662 |
oct | 703366067427347 |
9 | 131760246186055 |
10 | 31025516130023 |
11 | 9981936027108 |
12 | 3590b526b191b |
13 | 1440902b5317c |
14 | 7939005306d9 |
15 | 38c0a16b5018 |
hex | 1c37b0de2ee7 |
31025516130023 has 8 divisors (see below), whose sum is σ = 31028695234656. Its totient is φ = 31022337225600.
The previous prime is 31025516130017. The next prime is 31025516130107. The reversal of 31025516130023 is 32003161552013.
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 31025516130023 - 28 = 31025516129767 is a prime.
It is a super-2 number, since 2×310255161300232 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31025516130823) 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, 737435078 + ... + 737477148.
It is an arithmetic number, because the mean of its divisors is an integer number (3878586904332).
Almost surely, 231025516130023 is an apocalyptic number.
31025516130023 is a deficient number, since it is larger than the sum of its proper divisors (3179104633).
31025516130023 is a wasteful number, since it uses less digits than its factorization.
31025516130023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 100105.
The product of its (nonzero) digits is 16200, while the sum is 32.
Adding to 31025516130023 its reverse (32003161552013), we get a palindrome (63028677682036).
The spelling of 31025516130023 in words is "thirty-one trillion, twenty-five billion, five hundred sixteen million, one hundred thirty thousand, twenty-three".
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