Search a number
-
+
1031220214015 = 53710831514649
BaseRepresentation
bin11110000000110011000…
…00111011100011111111
310122120202111202121210211
433000121200323203333
5113343414333322030
62105422552013251
7134334412123105
oct17003140734377
93576674677724
101031220214015
11368379a21862
12147a35691227
13763223b1a64
1437ca8963c75
151bc5757012a
hexf01983b8ff

1031220214015 has 16 divisors (see below), whose sum is σ = 1271029046400. Its totient is φ = 802603848960.

The previous prime is 1031220214009. The next prime is 1031220214021. The reversal of 1031220214015 is 5104120221301.

It is an interprime number because it is at equal distance from previous prime (1031220214009) and next prime (1031220214021).

It is not a de Polignac number, because 1031220214015 - 27 = 1031220213887 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1746411 + ... + 2261059.

It is an arithmetic number, because the mean of its divisors is an integer number (79439315400).

Almost surely, 21031220214015 is an apocalyptic number.

1031220214015 is a deficient number, since it is larger than the sum of its proper divisors (239808832385).

1031220214015 is a wasteful number, since it uses less digits than its factorization.

1031220214015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525522.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 1031220214015 its reverse (5104120221301), we get a palindrome (6135340435316).

The spelling of 1031220214015 in words is "one trillion, thirty-one billion, two hundred twenty million, two hundred fourteen thousand, fifteen".

Divisors: 1 5 37 185 10831 54155 400747 514649 2003735 2573245 19042013 95210065 5574163319 27870816595 206244042803 1031220214015