Search a number
-
+
2115454002454 = 21381363615479
BaseRepresentation
bin11110110010001010111…
…000100110010100010110
321111020100121220212012001
4132302022320212110112
5234124422211034304
64255454240545514
7305556631222222
oct36621270462426
97436317825161
102115454002454
117461826a8741
122a1ba532229a
1312464298b560
1474562155782
153a063d0ada4
hex1ec8ae26516

2115454002454 has 8 divisors (see below), whose sum is σ = 3417271850160. Its totient is φ = 976363385736.

The previous prime is 2115454002449. The next prime is 2115454002491. The reversal of 2115454002454 is 4542004545112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40681807714 + ... + 40681807765.

It is an arithmetic number, because the mean of its divisors is an integer number (427158981270).

Almost surely, 22115454002454 is an apocalyptic number.

2115454002454 is a deficient number, since it is larger than the sum of its proper divisors (1301817847706).

2115454002454 is a wasteful number, since it uses less digits than its factorization.

2115454002454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81363615494.

The product of its (nonzero) digits is 128000, while the sum is 37.

Adding to 2115454002454 its reverse (4542004545112), we get a palindrome (6657458547566).

The spelling of 2115454002454 in words is "two trillion, one hundred fifteen billion, four hundred fifty-four million, two thousand, four hundred fifty-four".

Divisors: 1 2 13 26 81363615479 162727230958 1057727001227 2115454002454