Base | Representation |
---|---|
bin | 100000011111010110010100… |
… | …011110001110110111000100 |
3 | 200201221022121021221121202101 |
4 | 200133112110132032313010 |
5 | 122212114310012030110 |
6 | 1223523322315121444 |
7 | 42045405653054005 |
oct | 4037262436166704 |
9 | 621838537847671 |
10 | 142891757923780 |
11 | 41591066192a88 |
12 | 14039468743284 |
13 | 6196833cc0b98 |
14 | 273ddd86831ac |
15 | 117be2112e13a |
hex | 81f59478edc4 |
142891757923780 has 24 divisors (see below), whose sum is σ = 300358203284160. Its totient is φ = 57102319999200.
The previous prime is 142891757923763. The next prime is 142891757923787. The reversal of 142891757923780 is 87329757198241.
142891757923780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (142891757923787) 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, 3398926600 + ... + 3398968639.
It is an arithmetic number, because the mean of its divisors is an integer number (12514925136840).
Almost surely, 2142891757923780 is an apocalyptic number.
142891757923780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
142891757923780 is an abundant number, since it is smaller than the sum of its proper divisors (157466445360380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142891757923780 is a wasteful number, since it uses less digits than its factorization.
142891757923780 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6797896299 (or 6797896297 counting only the distinct ones).
The product of its (nonzero) digits is 426746880, while the sum is 73.
The spelling of 142891757923780 in words is "one hundred forty-two trillion, eight hundred ninety-one billion, seven hundred fifty-seven million, nine hundred twenty-three thousand, seven hundred eighty".
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