Base | Representation |
---|---|
bin | 100000101111011010… |
… | …0010000000010011100 |
3 | 20201111001002212110211 |
4 | 1001132310100002130 |
5 | 2122443404412340 |
6 | 52144452142204 |
7 | 5036232053524 |
oct | 1013664200234 |
9 | 221431085424 |
10 | 70310232220 |
11 | 27900325138 |
12 | 11762907964 |
13 | 68267b8907 |
14 | 358dcd0684 |
15 | 1c679915ea |
hex | 105ed1009c |
70310232220 has 24 divisors (see below), whose sum is σ = 148097578608. Its totient is φ = 28039123200.
The previous prime is 70310232193. The next prime is 70310232247. The reversal of 70310232220 is 2223201307.
It is an interprime number because it is at equal distance from previous prime (70310232193) and next prime (70310232247).
It is a super-2 number, since 2×703102322202 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 70310232191 and 70310232200.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5303821 + ... + 5317060.
It is an arithmetic number, because the mean of its divisors is an integer number (6170732442).
Almost surely, 270310232220 is an apocalyptic number.
It is an amenable number.
70310232220 is an abundant number, since it is smaller than the sum of its proper divisors (77787346388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70310232220 is a wasteful number, since it uses less digits than its factorization.
70310232220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10621221 (or 10621219 counting only the distinct ones).
The product of its (nonzero) digits is 1008, while the sum is 22.
Adding to 70310232220 its reverse (2223201307), we get a palindrome (72533433527).
The spelling of 70310232220 in words is "seventy billion, three hundred ten million, two hundred thirty-two thousand, two hundred twenty".
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