Base | Representation |
---|---|
bin | 11111010110001010111… |
… | …110100011110010100111 |
3 | 21121221010122111202011020 |
4 | 133112022332203302213 |
5 | 240243104212130011 |
6 | 4325330134542223 |
7 | 311425601122434 |
oct | 37261276436247 |
9 | 7557118452136 |
10 | 2154110270631 |
11 | 76060a0aa110 |
12 | 2a9593207973 |
13 | 128193533817 |
14 | 7638c09ab8b |
15 | 3b077865006 |
hex | 1f58afa3ca7 |
2154110270631 has 8 divisors (see below), whose sum is σ = 3133251302784. Its totient is φ = 1305521376120.
The previous prime is 2154110270567. The next prime is 2154110270633. The reversal of 2154110270631 is 1360720114512.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2154110270631 - 26 = 2154110270567 is a prime.
It is a super-2 number, since 2×21541102706312 (a number of 25 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 65276068807 = 2154110270631 / (2 + 1 + 5 + 4 + 1 + 1 + 0 + 2 + 7 + 0 + 6 + 3 + 1).
It is a junction number, because it is equal to n+sod(n) for n = 2154110270592 and 2154110270601.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2154110270633) 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, 32638034371 + ... + 32638034436.
It is an arithmetic number, because the mean of its divisors is an integer number (391656412848).
Almost surely, 22154110270631 is an apocalyptic number.
2154110270631 is a deficient number, since it is larger than the sum of its proper divisors (979141032153).
2154110270631 is a wasteful number, since it uses less digits than its factorization.
2154110270631 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65276068821.
The product of its (nonzero) digits is 10080, while the sum is 33.
The spelling of 2154110270631 in words is "two trillion, one hundred fifty-four billion, one hundred ten million, two hundred seventy thousand, six hundred thirty-one".
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