Base | Representation |
---|---|
bin | 1011110001000000000… |
… | …0110001100101000000 |
3 | 201022201221012122211102 |
4 | 2330100000301211000 |
5 | 11302431304221230 |
6 | 232505212233532 |
7 | 20414010341123 |
oct | 2742000614500 |
9 | 638657178742 |
10 | 202132101440 |
11 | 787a6335605 |
12 | 3321176b8a8 |
13 | 160a3c69669 |
14 | 9ad73263ba |
15 | 53d072d045 |
hex | 2f10031940 |
202132101440 has 56 divisors (see below), whose sum is σ = 481368445440. Its totient is φ = 80845890048.
The previous prime is 202132101433. The next prime is 202132101449. The reversal of 202132101440 is 44101231202.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (202132101449) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5382569 + ... + 5419991.
Almost surely, 2202132101440 is an apocalyptic number.
202132101440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
202132101440 is an abundant number, since it is smaller than the sum of its proper divisors (279236344000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
202132101440 is a wasteful number, since it uses less digits than its factorization.
202132101440 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54319 (or 54309 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 20.
Adding to 202132101440 its reverse (44101231202), we get a palindrome (246233332642).
The spelling of 202132101440 in words is "two hundred two billion, one hundred thirty-two million, one hundred one thousand, four hundred forty".
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