Base | Representation |
---|---|
bin | 1010111000101101000… |
… | …0101111110101001110 |
3 | 122212201202011020011100 |
4 | 2232023100233311032 |
5 | 11031004111020344 |
6 | 221525452003530 |
7 | 16340346625620 |
oct | 2561320576516 |
9 | 585652136140 |
10 | 187020016974 |
11 | 72350a188aa |
12 | 302b47605a6 |
13 | 1483613854b |
14 | 90a2286c10 |
15 | 4ce8b78569 |
hex | 2b8b42fd4e |
187020016974 has 96 divisors (see below), whose sum is σ = 468225261504. Its totient is φ = 52844682240.
The previous prime is 187020016969. The next prime is 187020017017. The reversal of 187020016974 is 479610020781.
It is a happy number.
187020016974 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6549472 + ... + 6577964.
It is an arithmetic number, because the mean of its divisors is an integer number (4877346474).
Almost surely, 2187020016974 is an apocalyptic number.
187020016974 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 187020016974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234112630752).
187020016974 is an abundant number, since it is smaller than the sum of its proper divisors (281205244530).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
187020016974 is a wasteful number, since it uses less digits than its factorization.
187020016974 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29082 (or 29079 counting only the distinct ones).
The product of its (nonzero) digits is 169344, while the sum is 45.
The spelling of 187020016974 in words is "one hundred eighty-seven billion, twenty million, sixteen thousand, nine hundred seventy-four".
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