Base | Representation |
---|---|
bin | 1001001001101000100001… |
… | …10000111000101101101110 |
3 | 2122020122220221000202111220 |
4 | 10210310100300320231232 |
5 | 10114140232434014210 |
6 | 110444002405124210 |
7 | 4144531643453232 |
oct | 444642060705556 |
9 | 78218827022456 |
10 | 20122203032430 |
11 | 6458862033014 |
12 | 230b9990b9666 |
13 | b2c691a21a95 |
14 | 4d7cc3dd05c2 |
15 | 24d658456c70 |
hex | 124d10c38b6e |
20122203032430 has 64 divisors (see below), whose sum is σ = 48745502023680. Its totient is φ = 5315693226624.
The previous prime is 20122203032417. The next prime is 20122203032441. The reversal of 20122203032430 is 3423030222102.
It is a self number, because there is not a number n which added to its sum of digits gives 20122203032430.
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, 16909267 + ... + 18060113.
It is an arithmetic number, because the mean of its divisors is an integer number (761648469120).
Almost surely, 220122203032430 is an apocalyptic number.
20122203032430 is an abundant number, since it is smaller than the sum of its proper divisors (28623298991250).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20122203032430 is a wasteful number, since it uses less digits than its factorization.
20122203032430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1156313.
The product of its (nonzero) digits is 3456, while the sum is 24.
Adding to 20122203032430 its reverse (3423030222102), we get a palindrome (23545233254532).
The spelling of 20122203032430 in words is "twenty trillion, one hundred twenty-two billion, two hundred three million, thirty-two thousand, four hundred thirty".
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