Base | Representation |
---|---|
bin | 10011011100100101… |
… | …000110100111100110 |
3 | 1222220012111112020012 |
4 | 103130211012213212 |
5 | 320230412130032 |
6 | 13331543210222 |
7 | 1336304012456 |
oct | 233445064746 |
9 | 58805445205 |
10 | 20880583142 |
11 | 89455aa191 |
12 | 4068a46972 |
13 | 1c79c63453 |
14 | 1021229d66 |
15 | 82320e6b2 |
hex | 4dc9469e6 |
20880583142 has 8 divisors (see below), whose sum is σ = 31322046600. Its totient is φ = 10439900944.
The previous prime is 20880583133. The next prime is 20880583181. The reversal of 20880583142 is 24138508802.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 20880583142.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123167 + ... + 238602.
It is an arithmetic number, because the mean of its divisors is an integer number (3915255825).
Almost surely, 220880583142 is an apocalyptic number.
20880583142 is a deficient number, since it is larger than the sum of its proper divisors (10441463458).
20880583142 is a wasteful number, since it uses less digits than its factorization.
20880583142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 390630.
The product of its (nonzero) digits is 122880, while the sum is 41.
The spelling of 20880583142 in words is "twenty billion, eight hundred eighty million, five hundred eighty-three thousand, one hundred forty-two".
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