Base | Representation |
---|---|
bin | 1000010010000010010… |
… | …1001101101011110001 |
3 | 111121020202221200012000 |
4 | 2010200211031223301 |
5 | 4312342310001212 |
6 | 145210205524213 |
7 | 13164562460355 |
oct | 2044045155361 |
9 | 447222850160 |
10 | 142280547057 |
11 | 55382728980 |
12 | 236a9573669 |
13 | 105561b5a1c |
14 | 6c5a475465 |
15 | 3a7b04e1dc |
hex | 212094daf1 |
142280547057 has 128 divisors (see below), whose sum is σ = 237817036800. Its totient is φ = 83345371200.
The previous prime is 142280547049. The next prime is 142280547091. The reversal of 142280547057 is 750745082241.
142280547057 is a `hidden beast` number, since 1 + 4 + 22 + 80 + 547 + 0 + 5 + 7 = 666.
It is not a de Polignac number, because 142280547057 - 23 = 142280547049 is a prime.
It is a super-2 number, since 2×1422805470572 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (142280547557) by changing a digit.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 371489488 + ... + 371489870.
It is an arithmetic number, because the mean of its divisors is an integer number (1857945600).
Almost surely, 2142280547057 is an apocalyptic number.
It is an amenable number.
142280547057 is a deficient number, since it is larger than the sum of its proper divisors (95536489743).
142280547057 is a wasteful number, since it uses less digits than its factorization.
142280547057 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 776 (or 770 counting only the distinct ones).
The product of its (nonzero) digits is 627200, while the sum is 45.
The spelling of 142280547057 in words is "one hundred forty-two billion, two hundred eighty million, five hundred forty-seven thousand, fifty-seven".
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