Base | Representation |
---|---|
bin | 101010001100001010… |
… | …1011000100101101111 |
3 | 22122212020201112201010 |
4 | 1110120111120211233 |
5 | 2441023224302033 |
6 | 105342223320303 |
7 | 6355134104436 |
oct | 1243025304557 |
9 | 278766645633 |
10 | 90602572143 |
11 | 354738764a6 |
12 | 15686750093 |
13 | 870b90b845 |
14 | 4556d5411d |
15 | 2554206863 |
hex | 151855896f |
90602572143 has 4 divisors (see below), whose sum is σ = 120803429528. Its totient is φ = 60401714760.
The previous prime is 90602572111. The next prime is 90602572201. The reversal of 90602572143 is 34127520609.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 90602572143 - 25 = 90602572111 is a prime.
It is a super-2 number, since 2×906025721432 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90602572043) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15100428688 + ... + 15100428693.
It is an arithmetic number, because the mean of its divisors is an integer number (30200857382).
Almost surely, 290602572143 is an apocalyptic number.
90602572143 is a deficient number, since it is larger than the sum of its proper divisors (30200857385).
90602572143 is a wasteful number, since it uses less digits than its factorization.
90602572143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30200857384.
The product of its (nonzero) digits is 90720, while the sum is 39.
The spelling of 90602572143 in words is "ninety billion, six hundred two million, five hundred seventy-two thousand, one hundred forty-three".
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