Base | Representation |
---|---|
bin | 101000111100100110011111… |
… | …101000100111101111100100 |
3 | 212121122002101012110200121221 |
4 | 220330212133220213233210 |
5 | 142101013332131324001 |
6 | 1435002311012150124 |
7 | 52634544634063522 |
oct | 5074463750475744 |
9 | 777562335420557 |
10 | 180086361979876 |
11 | 52421219550000 |
12 | 18245b3a308344 |
13 | 79640c01979b1 |
14 | 3268325459312 |
15 | 15c46d5eb31a1 |
hex | a3c99fa27be4 |
180086361979876 has 135 divisors (see below), whose sum is σ = 362542135862515. Its totient is φ = 78265942757200.
The previous prime is 180086361979871. The next prime is 180086361979897. The reversal of 180086361979876 is 678979163680081.
The square root of 180086361979876 is 13419626.
It is a perfect power (a square), and thus also a powerful number.
It is a super-2 number, since 2×1800863619798762 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 180086361979796 and 180086361979805.
It is not an unprimeable number, because it can be changed into a prime (180086361979871) by changing a digit.
It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 74693637111 + ... + 74693639521.
Almost surely, 2180086361979876 is an apocalyptic number.
180086361979876 is the 13419626-th square number.
It is an amenable number.
180086361979876 is an abundant number, since it is smaller than the sum of its proper divisors (182455773882639).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
180086361979876 is an frugal number, since it uses more digits than its factorization.
180086361979876 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4916 (or 2447 counting only the distinct ones).
The product of its (nonzero) digits is 1316818944, while the sum is 79.
The spelling of 180086361979876 in words is "one hundred eighty trillion, eighty-six billion, three hundred sixty-one million, nine hundred seventy-nine thousand, eight hundred seventy-six".
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