Base | Representation |
---|---|
bin | 1000010100101100011… |
… | …0000000001001011000 |
3 | 111200002111000221022010 |
4 | 2011023012000021120 |
5 | 4320322402113212 |
6 | 145405045025520 |
7 | 13221343056501 |
oct | 2051306001130 |
9 | 450074027263 |
10 | 142993785432 |
11 | 5570929a483 |
12 | 238683b52a0 |
13 | 1063abab974 |
14 | 6cc7097ba8 |
15 | 3abd98903c |
hex | 214b180258 |
142993785432 has 32 divisors (see below), whose sum is σ = 358218547200. Its totient is φ = 47566717344.
The previous prime is 142993785427. The next prime is 142993785479. The reversal of 142993785432 is 234587399241.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6105432 + ... + 6128807.
It is an arithmetic number, because the mean of its divisors is an integer number (11194329600).
Almost surely, 2142993785432 is an apocalyptic number.
142993785432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
142993785432 is an abundant number, since it is smaller than the sum of its proper divisors (215224761768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142993785432 is a wasteful number, since it uses less digits than its factorization.
142993785432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12234735 (or 12234731 counting only the distinct ones).
The product of its digits is 13063680, while the sum is 57.
The spelling of 142993785432 in words is "one hundred forty-two billion, nine hundred ninety-three million, seven hundred eighty-five thousand, four hundred thirty-two".
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