Base | Representation |
---|---|
bin | 1000010001111010001… |
… | …1101111101110101110 |
3 | 111121011102002101021010 |
4 | 2010132203233232232 |
5 | 4312310112422130 |
6 | 145202554250050 |
7 | 13164001134150 |
oct | 2043643575656 |
9 | 447142071233 |
10 | 142246607790 |
11 | 553655578a1 |
12 | 2369a126926 |
13 | 1054c161a11 |
14 | 6c55b5cad0 |
15 | 3a780980b0 |
hex | 211e8efbae |
142246607790 has 64 divisors (see below), whose sum is σ = 398463473664. Its totient is φ = 31821731328.
The previous prime is 142246607777. The next prime is 142246607807. The reversal of 142246607790 is 97706642241.
It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7196139 + ... + 7215878.
It is an arithmetic number, because the mean of its divisors is an integer number (6225991776).
Almost surely, 2142246607790 is an apocalyptic number.
142246607790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
142246607790 is an abundant number, since it is smaller than the sum of its proper divisors (256216865874).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142246607790 is a wasteful number, since it uses less digits than its factorization.
142246607790 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14412081.
The product of its (nonzero) digits is 1016064, while the sum is 48.
The spelling of 142246607790 in words is "one hundred forty-two billion, two hundred forty-six million, six hundred seven thousand, seven hundred ninety".
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