Base | Representation |
---|---|
bin | 10010110000101100… |
… | …000011000101000111 |
3 | 1220222212212200220022 |
4 | 102300230003011013 |
5 | 312223404044101 |
6 | 13130520125355 |
7 | 1312122632666 |
oct | 226054030507 |
9 | 56885780808 |
10 | 20144206151 |
11 | 85a7974263 |
12 | 3aa230685b |
13 | 1b90528614 |
14 | d91502ddd |
15 | 7cd753a1b |
hex | 4b0b03147 |
20144206151 has 16 divisors (see below), whose sum is σ = 21581374464. Its totient is φ = 18735836544.
The previous prime is 20144206109. The next prime is 20144206153. The reversal of 20144206151 is 15160244102.
It is a de Polignac number, because none of the positive numbers 2k-20144206151 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 20144206151.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20144206153) 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, 840926 + ... + 864548.
It is an arithmetic number, because the mean of its divisors is an integer number (1348835904).
Almost surely, 220144206151 is an apocalyptic number.
20144206151 is a deficient number, since it is larger than the sum of its proper divisors (1437168313).
20144206151 is a wasteful number, since it uses less digits than its factorization.
20144206151 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24230.
The product of its (nonzero) digits is 1920, while the sum is 26.
The spelling of 20144206151 in words is "twenty billion, one hundred forty-four million, two hundred six thousand, one hundred fifty-one".
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