Base | Representation |
---|---|
bin | 10010101111011010… |
… | …101100001011111010 |
3 | 1220221101202011011020 |
4 | 102233122230023322 |
5 | 312202424104324 |
6 | 13124435043310 |
7 | 1311443434611 |
oct | 225732541372 |
9 | 56841664136 |
10 | 20122878714 |
11 | 8596927684 |
12 | 3a97140536 |
13 | 1b88c9bc33 |
14 | d8c750878 |
15 | 7cb93e679 |
hex | 4af6ac2fa |
20122878714 has 32 divisors (see below), whose sum is σ = 40736545920. Its totient is φ = 6626323392.
The previous prime is 20122878707. The next prime is 20122878781. The reversal of 20122878714 is 41787822102.
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, 101227 + ... + 224705.
It is an arithmetic number, because the mean of its divisors is an integer number (1273017060).
Almost surely, 220122878714 is an apocalyptic number.
20122878714 is an abundant number, since it is smaller than the sum of its proper divisors (20613667206).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20122878714 is a wasteful number, since it uses less digits than its factorization.
20122878714 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 123814.
The product of its (nonzero) digits is 100352, while the sum is 42.
The spelling of 20122878714 in words is "twenty billion, one hundred twenty-two million, eight hundred seventy-eight thousand, seven hundred fourteen".
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