Base | Representation |
---|---|
bin | 110111111100100011… |
… | …0110100011011111110 |
3 | 102111010000001200102100 |
4 | 1233321012310123332 |
5 | 3432023204301142 |
6 | 131105414405530 |
7 | 11452160213550 |
oct | 1577106643376 |
9 | 374100050370 |
10 | 120143431422 |
11 | 46a52920293 |
12 | 1b34b9608a6 |
13 | b438b26531 |
14 | 5b5a4014d0 |
15 | 31d2888b4c |
hex | 1bf91b46fe |
120143431422 has 48 divisors (see below), whose sum is σ = 307094740992. Its totient is φ = 33219380880.
The previous prime is 120143431363. The next prime is 120143431451. The reversal of 120143431422 is 224134341021.
120143431422 is a `hidden beast` number, since 1 + 201 + 4 + 3 + 4 + 31 + 422 = 666.
It is a super-2 number, since 2×1201434314222 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15375438 + ... + 15383249.
It is an arithmetic number, because the mean of its divisors is an integer number (6397807104).
Almost surely, 2120143431422 is an apocalyptic number.
120143431422 is an abundant number, since it is smaller than the sum of its proper divisors (186951309570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120143431422 is a wasteful number, since it uses less digits than its factorization.
120143431422 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30758733 (or 30758730 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 27.
Adding to 120143431422 its reverse (224134341021), we get a palindrome (344277772443).
The spelling of 120143431422 in words is "one hundred twenty billion, one hundred forty-three million, four hundred thirty-one thousand, four hundred twenty-two".
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