Base | Representation |
---|---|
bin | 11100110100100000001… |
… | …101001110100111000100 |
3 | 21000100001212021122010102 |
4 | 130310200031032213010 |
5 | 224422101141341314 |
6 | 4113501034343232 |
7 | 263042065315160 |
oct | 34644015164704 |
9 | 7010055248112 |
10 | 1980520262084 |
11 | 6a3a30068431 |
12 | 27ba0828ab18 |
13 | 1149ba8b7330 |
14 | 6bc01715ca0 |
15 | 367b7c7d5de |
hex | 1cd2034e9c4 |
1980520262084 has 96 divisors (see below), whose sum is σ = 4276825620480. Its totient is φ = 781467689088.
The previous prime is 1980520262081. The next prime is 1980520262131. The reversal of 1980520262084 is 4802620250891.
It is not an unprimeable number, because it can be changed into a prime (1980520262081) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 552752957 + ... + 552756539.
It is an arithmetic number, because the mean of its divisors is an integer number (44550266880).
Almost surely, 21980520262084 is an apocalyptic number.
1980520262084 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1980520262084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2138412810240).
1980520262084 is an abundant number, since it is smaller than the sum of its proper divisors (2296305358396).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1980520262084 is a wasteful number, since it uses less digits than its factorization.
1980520262084 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7129 (or 7127 counting only the distinct ones).
The product of its (nonzero) digits is 552960, while the sum is 47.
The spelling of 1980520262084 in words is "one trillion, nine hundred eighty billion, five hundred twenty million, two hundred sixty-two thousand, eighty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •