Base | Representation |
---|---|
bin | 1000010100100000100… |
… | …1100000001100101100 |
3 | 111122222001001110010111 |
4 | 2011020021200030230 |
5 | 4320222224342000 |
6 | 145400121545404 |
7 | 13220203052530 |
oct | 2051011401454 |
9 | 448861043114 |
10 | 142944371500 |
11 | 5569340a017 |
12 | 23853945264 |
13 | 1063089a258 |
14 | 6cc06b3bc0 |
15 | 3ab9477cba |
hex | 214826032c |
142944371500 has 48 divisors (see below), whose sum is σ = 356789160000. Its totient is φ = 49009497600.
The previous prime is 142944371483. The next prime is 142944371503. The reversal of 142944371500 is 5173449241.
It is not an unprimeable number, because it can be changed into a prime (142944371503) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20417125 + ... + 20424124.
It is an arithmetic number, because the mean of its divisors is an integer number (7433107500).
Almost surely, 2142944371500 is an apocalyptic number.
142944371500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
142944371500 is an abundant number, since it is smaller than the sum of its proper divisors (213844788500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142944371500 is a wasteful number, since it uses less digits than its factorization.
142944371500 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40841275 (or 40841263 counting only the distinct ones).
The product of its (nonzero) digits is 120960, while the sum is 40.
The spelling of 142944371500 in words is "one hundred forty-two billion, nine hundred forty-four million, three hundred seventy-one thousand, five hundred".
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