Search a number
-
+
20413515241395 = 3251427317893253
BaseRepresentation
bin1001010010000111001000…
…10100110001011110110011
32200021111211222100021102200
410221003210110301132303
510133423334400211040
6111225501152514243
74204553636414013
oct451034424613663
980244758307380
1020413515241395
1165603611a1321
122358338b4b983
13b50ca8984323
1450803b38bc43
1525600805a630
hex1290e45317b3

20413515241395 has 24 divisors (see below), whose sum is σ = 35408222203536. Its totient is φ = 10879578656448.

The previous prime is 20413515241373. The next prime is 20413515241409. The reversal of 20413515241395 is 59314251531402.

20413515241395 is a `hidden beast` number, since 2 + 0 + 4 + 1 + 3 + 5 + 15 + 241 + 395 = 666.

It is not a de Polignac number, because 20413515241395 - 26 = 20413515241331 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 20413515241395.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 158882412 + ... + 159010841.

It is an arithmetic number, because the mean of its divisors is an integer number (1475342591814).

Almost surely, 220413515241395 is an apocalyptic number.

20413515241395 is a deficient number, since it is larger than the sum of its proper divisors (14994706962141).

20413515241395 is a wasteful number, since it uses less digits than its factorization.

20413515241395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317894691 (or 317894688 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

Adding to 20413515241395 its reverse (59314251531402), we get a palindrome (79727766772797).

The spelling of 20413515241395 in words is "twenty trillion, four hundred thirteen billion, five hundred fifteen million, two hundred forty-one thousand, three hundred ninety-five".

Divisors: 1 3 5 9 15 45 1427 4281 7135 12843 21405 64215 317893253 953679759 1589466265 2861039277 4768398795 14305196385 453633672031 1360901016093 2268168360155 4082703048279 6804505080465 20413515241395