Base | Representation |
---|---|
bin | 1000010010100111110… |
… | …0010010100111001010 |
3 | 111121122201110100122210 |
4 | 2010221330102213022 |
5 | 4313203010411443 |
6 | 145233535525550 |
7 | 13201510360026 |
oct | 2045174224712 |
9 | 447581410583 |
10 | 142437591498 |
11 | 55453341774 |
12 | 237320898b6 |
13 | 1057c8b0127 |
14 | 6c73275386 |
15 | 3a89c20c33 |
hex | 2129f129ca |
142437591498 has 32 divisors (see below), whose sum is σ = 300484477440. Its totient is φ = 44887912560.
The previous prime is 142437591497. The next prime is 142437591511. The reversal of 142437591498 is 894195734241.
It is a super-2 number, since 2×1424375914982 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (57).
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (142437591497) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1227288 + ... + 1338323.
It is an arithmetic number, because the mean of its divisors is an integer number (9390139920).
Almost surely, 2142437591498 is an apocalyptic number.
142437591498 is an abundant number, since it is smaller than the sum of its proper divisors (158046885942).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142437591498 is a wasteful number, since it uses less digits than its factorization.
142437591498 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2566122.
The product of its digits is 8709120, while the sum is 57.
The spelling of 142437591498 in words is "one hundred forty-two billion, four hundred thirty-seven million, five hundred ninety-one thousand, four hundred ninety-eight".
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