Base | Representation |
---|---|
bin | 10010101111010000… |
… | …011110111100011000 |
3 | 1220221012201012210220 |
4 | 102233100132330120 |
5 | 312201232444112 |
6 | 13124301440040 |
7 | 1311411622026 |
oct | 225720367430 |
9 | 56835635726 |
10 | 20120203032 |
11 | 859536a376 |
12 | 3a96270020 |
13 | 1b885730a7 |
14 | d8c255716 |
15 | 7cb5b198c |
hex | 4af41ef18 |
20120203032 has 32 divisors (see below), whose sum is σ = 50324239680. Its totient is φ = 6703570080.
The previous prime is 20120203021. The next prime is 20120203049. The reversal of 20120203032 is 23030202102.
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, 145558 + ... + 247845.
It is an arithmetic number, because the mean of its divisors is an integer number (1572632490).
Almost surely, 220120203032 is an apocalyptic number.
It is an amenable number.
20120203032 is an abundant number, since it is smaller than the sum of its proper divisors (30204036648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20120203032 is a wasteful number, since it uses less digits than its factorization.
20120203032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 395543 (or 395539 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 15.
Adding to 20120203032 its reverse (23030202102), we get a palindrome (43150405134).
The spelling of 20120203032 in words is "twenty billion, one hundred twenty million, two hundred three thousand, thirty-two".
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