Base | Representation |
---|---|
bin | 1110100011010100101… |
… | …0110110011101011000 |
3 | 212220021221100222022220 |
4 | 3220311022312131120 |
5 | 13044000013440440 |
6 | 310503134344040 |
7 | 24030144062163 |
oct | 3506512663530 |
9 | 786257328286 |
10 | 250000140120 |
11 | 9702a61a555 |
12 | 4055065b020 |
13 | 1a76210a8c3 |
14 | c15884aada |
15 | 6782d458d0 |
hex | 3a352b6758 |
250000140120 has 64 divisors (see below), whose sum is σ = 750453642720. Its totient is φ = 66626417664.
The previous prime is 250000140097. The next prime is 250000140127. The reversal of 250000140120 is 21041000052.
It is a super-2 number, since 2×2500001401202 (a number of 24 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 250000140120.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (250000140127) 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, 429807 + ... + 827486.
Almost surely, 2250000140120 is an apocalyptic number.
250000140120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
250000140120 is an abundant number, since it is smaller than the sum of its proper divisors (500453502600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
250000140120 is a wasteful number, since it uses less digits than its factorization.
250000140120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1258964 (or 1258960 counting only the distinct ones).
The product of its (nonzero) digits is 80, while the sum is 15.
Adding to 250000140120 its reverse (21041000052), we get a palindrome (271041140172).
The spelling of 250000140120 in words is "two hundred fifty billion, one hundred forty thousand, one hundred twenty".
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