Base | Representation |
---|---|
bin | 10010111010101100… |
… | …100100000010011110 |
3 | 1221102120211021012222 |
4 | 102322230210002132 |
5 | 313044400111220 |
6 | 13155315025342 |
7 | 1316232054146 |
oct | 227254440236 |
9 | 57376737188 |
10 | 20312113310 |
11 | 8683727405 |
12 | 3b2a59b252 |
13 | 1bb9257178 |
14 | da992d926 |
15 | 7dd36de25 |
hex | 4bab2409e |
20312113310 has 32 divisors (see below), whose sum is σ = 37079646912. Its totient is φ = 8010408960.
The previous prime is 20312113273. The next prime is 20312113321. The reversal of 20312113310 is 1331121302.
It is a super-2 number, since 2×203121133102 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215300 + ... + 294920.
It is an arithmetic number, because the mean of its divisors is an integer number (1158738966).
Almost surely, 220312113310 is an apocalyptic number.
20312113310 is a deficient number, since it is larger than the sum of its proper divisors (16767533602).
20312113310 is a wasteful number, since it uses less digits than its factorization.
20312113310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 79988.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 20312113310 its reverse (1331121302), we get a palindrome (21643234612).
The spelling of 20312113310 in words is "twenty billion, three hundred twelve million, one hundred thirteen thousand, three hundred ten".
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