Search a number
-
+
15414540331231 = 172797324182219
BaseRepresentation
bin1110000001001111101000…
…1100110110100011011111
32000120121121211010002220201
43200103322030312203133
54010022434311044411
652441201515324331
73150443451650626
oct340237214664337
960517554102821
1015414540331231
114a032a7184a48
12188b5364506a7
1387a77b0a32c2
143b40d3c046bd
151bae7a8243c1
hexe04fa3368df

15414540331231 has 8 divisors (see below), whose sum is σ = 16327113328080. Its totient is φ = 14502615704448.

The previous prime is 15414540331207. The next prime is 15414540331247. The reversal of 15414540331231 is 13213304541451.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 15414540331231 - 27 = 15414540331103 is a prime.

It is a super-2 number, since 2×154145403312312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15414540331271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162043561 + ... + 162138658.

It is an arithmetic number, because the mean of its divisors is an integer number (2040889166010).

Almost surely, 215414540331231 is an apocalyptic number.

15414540331231 is a deficient number, since it is larger than the sum of its proper divisors (912572996849).

15414540331231 is a wasteful number, since it uses less digits than its factorization.

15414540331231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324185033.

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 15414540331231 its reverse (13213304541451), we get a palindrome (28627844872682).

The spelling of 15414540331231 in words is "fifteen trillion, four hundred fourteen billion, five hundred forty million, three hundred thirty-one thousand, two hundred thirty-one".

Divisors: 1 17 2797 47549 324182219 5511097723 906737666543 15414540331231