Base | Representation |
---|---|
bin | 101011011110010111011… |
… | …011100100111010001001 |
3 | 101120121100222221222002101 |
4 | 223132113123210322021 |
5 | 342421441433000101 |
6 | 10204242551433401 |
7 | 425562045210652 |
oct | 53362733447211 |
9 | 11517328858071 |
10 | 2987542859401 |
11 | a52012071661 |
12 | 40300a085861 |
13 | 188954a6b4a9 |
14 | a48526bc529 |
15 | 52aa5cc4401 |
hex | 2b7976e4e89 |
2987542859401 has 3 divisors (see below), whose sum is σ = 2987544587853. Its totient is φ = 2987541130950.
The previous prime is 2987542859347. The next prime is 2987542859417. The reversal of 2987542859401 is 1049582457892.
The square root of 2987542859401 is 1728451.
It is a perfect power (a square), and thus also a powerful number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is not a de Polignac number, because 2987542859401 - 215 = 2987542826633 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2987542859201) by changing a digit.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 864226 + ... + 2592676.
It is an arithmetic number, because the mean of its divisors is an integer number (995848195951).
Almost surely, 22987542859401 is an apocalyptic number.
2987542859401 is the 1728451-st square number.
2987542859401 is the 864226-th centered octagonal number.
It is an amenable number.
2987542859401 is a deficient number, since it is larger than the sum of its proper divisors (1728452).
2987542859401 is an frugal number, since it uses more digits than its factorization.
2987542859401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3456902 (or 1728451 counting only the distinct ones).
The product of its (nonzero) digits is 58060800, while the sum is 64.
Multiplying 2987542859401 by its sum of digits (64), we get a square (191202743001664 = 138276082).
The spelling of 2987542859401 in words is "two trillion, nine hundred eighty-seven billion, five hundred forty-two million, eight hundred fifty-nine thousand, four hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •