Base | Representation |
---|---|
bin | 101000101100111011… |
… | …0011111110001101011 |
3 | 22100121112022201001211 |
4 | 1101121312133301223 |
5 | 2413002120212300 |
6 | 104053143053551 |
7 | 6213010401403 |
oct | 1213166376153 |
9 | 270545281054 |
10 | 87406804075 |
11 | 34083953668 |
12 | 14b344412b7 |
13 | 831c7c2316 |
14 | 433274b803 |
15 | 24188924ba |
hex | 1459d9fc6b |
87406804075 has 24 divisors (see below), whose sum is σ = 113228752896. Its totient is φ = 66854436000.
The previous prime is 87406804061. The next prime is 87406804091. The reversal of 87406804075 is 57040860478.
It is a happy number.
It is not a de Polignac number, because 87406804075 - 221 = 87404706923 is a prime.
It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 615091 + ... + 743740.
It is an arithmetic number, because the mean of its divisors is an integer number (4717864704).
Almost surely, 287406804075 is an apocalyptic number.
87406804075 is a deficient number, since it is larger than the sum of its proper divisors (25821948821).
87406804075 is a wasteful number, since it uses less digits than its factorization.
87406804075 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1358955 (or 1358950 counting only the distinct ones).
The product of its (nonzero) digits is 1505280, while the sum is 49.
The spelling of 87406804075 in words is "eighty-seven billion, four hundred six million, eight hundred four thousand, seventy-five".
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