Base | Representation |
---|---|
bin | 10011000110101111… |
… | …001000100111111000 |
3 | 1221221122220222010111 |
4 | 103012233020213320 |
5 | 314003103122130 |
6 | 13231332354104 |
7 | 1324234043440 |
oct | 230657104770 |
9 | 57848828114 |
10 | 20514114040 |
11 | 8777756562 |
12 | 3b86175934 |
13 | 1c1c062024 |
14 | dc86b3120 |
15 | 800e7102a |
hex | 4c6bc89f8 |
20514114040 has 64 divisors (see below), whose sum is σ = 53272935360. Its totient is φ = 6963763200.
The previous prime is 20514114037. The next prime is 20514114041. The reversal of 20514114040 is 4041141502.
It is a super-2 number, since 2×205141140402 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20514114041) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334417 + ... + 390976.
It is an arithmetic number, because the mean of its divisors is an integer number (832389615).
Almost surely, 220514114040 is an apocalyptic number.
20514114040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20514114040 is an abundant number, since it is smaller than the sum of its proper divisors (32758821320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20514114040 is a wasteful number, since it uses less digits than its factorization.
20514114040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 725512 (or 725508 counting only the distinct ones).
The product of its (nonzero) digits is 640, while the sum is 22.
Adding to 20514114040 its reverse (4041141502), we get a palindrome (24555255542).
The spelling of 20514114040 in words is "twenty billion, five hundred fourteen million, one hundred fourteen thousand, forty".
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