Base | Representation |
---|---|
bin | 1000010010101001100… |
… | …0101101110011000000 |
3 | 111121200020110221000220 |
4 | 2010222120231303000 |
5 | 4313211412333010 |
6 | 145234403343040 |
7 | 13201630613130 |
oct | 2045230556300 |
9 | 447606427026 |
10 | 142445042880 |
11 | 55457571038 |
12 | 23734681a80 |
13 | 105812bb92a |
14 | 6c74254ac0 |
15 | 3a8a6e3970 |
hex | 212a62dcc0 |
142445042880 has 224 divisors, whose sum is σ = 544076290560. Its totient is φ = 30845214720.
The previous prime is 142445042869. The next prime is 142445042917. The reversal of 142445042880 is 88240544241.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (224).
It is a Harshad number since it is a multiple of its sum of digits (42).
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, 430141 + ... + 685500.
Almost surely, 2142445042880 is an apocalyptic number.
142445042880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
142445042880 is an abundant number, since it is smaller than the sum of its proper divisors (401631247680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142445042880 is a wasteful number, since it uses less digits than its factorization.
142445042880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1115687 (or 1115677 counting only the distinct ones).
The product of its (nonzero) digits is 327680, while the sum is 42.
The spelling of 142445042880 in words is "one hundred forty-two billion, four hundred forty-five million, forty-two thousand, eight hundred eighty".
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