Base | Representation |
---|---|
bin | 101000101011111000… |
… | …1111010110110011110 |
3 | 22100112002221000012021 |
4 | 1101113301322312132 |
5 | 2412414221043242 |
6 | 104045502130354 |
7 | 6212106112141 |
oct | 1212761726636 |
9 | 270462830167 |
10 | 87372049822 |
11 | 34066276242 |
12 | 14b248809ba |
13 | 8315544385 |
14 | 432bca2058 |
15 | 24157c9b67 |
hex | 1457c7ad9e |
87372049822 has 32 divisors (see below), whose sum is σ = 139573324800. Its totient is φ = 40904206848.
The previous prime is 87372049769. The next prime is 87372049823. The reversal of 87372049822 is 22894027378.
It is a self number, because there is not a number n which added to its sum of digits gives 87372049822.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87372049823) 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, 1140798 + ... + 1214974.
It is an arithmetic number, because the mean of its divisors is an integer number (4361666400).
Almost surely, 287372049822 is an apocalyptic number.
87372049822 is a deficient number, since it is larger than the sum of its proper divisors (52201274978).
87372049822 is a wasteful number, since it uses less digits than its factorization.
87372049822 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 74560.
The product of its (nonzero) digits is 2709504, while the sum is 52.
The spelling of 87372049822 in words is "eighty-seven billion, three hundred seventy-two million, forty-nine thousand, eight hundred twenty-two".
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