Base | Representation |
---|---|
bin | 101000101000110110… |
… | …1000010111101111110 |
3 | 22100021000002212202021 |
4 | 1101101231002331332 |
5 | 2412212121442204 |
6 | 104031421150354 |
7 | 6206430454552 |
oct | 1212155027576 |
9 | 270230085667 |
10 | 87270109054 |
11 | 34013779677 |
12 | 14ab66bb3ba |
13 | 82ca3a13ab |
14 | 431c527862 |
15 | 240b890154 |
hex | 1451b42f7e |
87270109054 has 8 divisors (see below), whose sum is σ = 130914113400. Its totient is φ = 43632071256.
The previous prime is 87270109049. The next prime is 87270109063. The reversal of 87270109054 is 45090107278.
It is a sphenic number, since it is the product of 3 distinct primes.
It is an alternating number because its digits alternate between even and odd.
It is a self number, because there is not a number n which added to its sum of digits gives 87270109054.
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, 1454889 + ... + 1513684.
It is an arithmetic number, because the mean of its divisors is an integer number (16364264175).
Almost surely, 287270109054 is an apocalyptic number.
87270109054 is a deficient number, since it is larger than the sum of its proper divisors (43644004346).
87270109054 is a wasteful number, since it uses less digits than its factorization.
87270109054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2983274.
The product of its (nonzero) digits is 141120, while the sum is 43.
The spelling of 87270109054 in words is "eighty-seven billion, two hundred seventy million, one hundred nine thousand, fifty-four".
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