Base | Representation |
---|---|
bin | 11110100100111111110… |
… | …110010010010010010111 |
3 | 21102212211220212101212222 |
4 | 132210333312102102113 |
5 | 233411440402444111 |
6 | 4245154550132555 |
7 | 304546266010334 |
oct | 36447766222227 |
9 | 7385756771788 |
10 | 2101310203031 |
11 | 740184912906 |
12 | 29b2b865115b |
13 | 1231ca641b80 |
14 | 739bd92998b |
15 | 399d72707db |
hex | 1e93fd92497 |
2101310203031 has 8 divisors (see below), whose sum is σ = 2280223874544. Its totient is φ = 1924864306560.
The previous prime is 2101310203001. The next prime is 2101310203033. The reversal of 2101310203031 is 1303020131012.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-2101310203031 is a prime.
It is a super-2 number, since 2×21013102030312 (a number of 25 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 (2101310203033) 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, 616941986 + ... + 616945391.
It is an arithmetic number, because the mean of its divisors is an integer number (285027984318).
Almost surely, 22101310203031 is an apocalyptic number.
2101310203031 is a deficient number, since it is larger than the sum of its proper divisors (178913671513).
2101310203031 is a wasteful number, since it uses less digits than its factorization.
2101310203031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1233887521.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 2101310203031 its reverse (1303020131012), we get a palindrome (3404330334043).
The spelling of 2101310203031 in words is "two trillion, one hundred one billion, three hundred ten million, two hundred three thousand, thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •