Base | Representation |
---|---|
bin | 10010111010100101… |
… | …010110100001110000 |
3 | 1221102110021020011000 |
4 | 102322211112201300 |
5 | 313043404113320 |
6 | 13155210322000 |
7 | 1316210022006 |
oct | 227245264160 |
9 | 57373236130 |
10 | 20310222960 |
11 | 8682656135 |
12 | 3b29a29300 |
13 | 1bb8a44911 |
14 | da959aa76 |
15 | 7dd0e8c90 |
hex | 4ba956870 |
20310222960 has 160 divisors (see below), whose sum is σ = 70003644480. Its totient is φ = 5412483072.
The previous prime is 20310222943. The next prime is 20310223001. The reversal of 20310222960 is 6922201302.
It is a super-2 number, since 2×203102229602 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5650924 + ... + 5654516.
It is an arithmetic number, because the mean of its divisors is an integer number (437522778).
Almost surely, 220310222960 is an apocalyptic number.
20310222960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20310222960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35001822240).
20310222960 is an abundant number, since it is smaller than the sum of its proper divisors (49693421520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20310222960 is a wasteful number, since it uses less digits than its factorization.
20310222960 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6232 (or 6220 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 27.
The spelling of 20310222960 in words is "twenty billion, three hundred ten million, two hundred twenty-two thousand, nine hundred sixty".
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