Base | Representation |
---|---|
bin | 10010110100111010… |
… | …011111001011111000 |
3 | 1221011211021111012001 |
4 | 102310322133023320 |
5 | 312400031201102 |
6 | 13141531430344 |
7 | 1313643342022 |
oct | 226472371370 |
9 | 57154244161 |
10 | 20215100152 |
11 | 8633995a45 |
12 | 3b01bb53b4 |
13 | 1ba211b030 |
14 | d9aab9012 |
15 | 7d4aa9487 |
hex | 4b4e9f2f8 |
20215100152 has 32 divisors (see below), whose sum is σ = 41589132480. Its totient is φ = 9154005120.
The previous prime is 20215100117. The next prime is 20215100219. The reversal of 20215100152 is 25100151202.
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, 1828224 + ... + 1839247.
It is an arithmetic number, because the mean of its divisors is an integer number (1299660390).
Almost surely, 220215100152 is an apocalyptic number.
It is an amenable number.
20215100152 is an abundant number, since it is smaller than the sum of its proper divisors (21374032328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20215100152 is a wasteful number, since it uses less digits than its factorization.
20215100152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3667543 (or 3667539 counting only the distinct ones).
The product of its (nonzero) digits is 200, while the sum is 19.
Adding to 20215100152 its reverse (25100151202), we get a palindrome (45315251354).
The spelling of 20215100152 in words is "twenty billion, two hundred fifteen million, one hundred thousand, one hundred fifty-two".
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