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3103242145115 = 571749931044569
BaseRepresentation
bin101101001010000111101…
…001010100110101011011
3101222200000021120122200112
4231022013221110311123
5401320414442120430
610333335412554535
7440126143003520
oct55120751246533
911880007518615
103103242145115
11a97094320452
12421519622a4b
13196832c461b8
14aa2aa793147
1555ac8404195
hex2d287a54d5b

3103242145115 has 32 divisors (see below), whose sum is σ = 4507127349120. Its totient is φ = 2002361647104.

The previous prime is 3103242145109. The next prime is 3103242145127. The reversal of 3103242145115 is 5115412423013.

It is not a de Polignac number, because 3103242145115 - 228 = 3102973709659 is a prime.

It is a super-2 number, since 2×31032421451152 (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2448551 + ... + 3493119.

It is an arithmetic number, because the mean of its divisors is an integer number (140847729660).

Almost surely, 23103242145115 is an apocalyptic number.

3103242145115 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3103242145115 is a deficient number, since it is larger than the sum of its proper divisors (1403885204005).

3103242145115 is a wasteful number, since it uses less digits than its factorization.

3103242145115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049591.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 3103242145115 its reverse (5115412423013), we get a palindrome (8218654568128).

The spelling of 3103242145115 in words is "three trillion, one hundred three billion, two hundred forty-two million, one hundred forty-five thousand, one hundred fifteen".

Divisors: 1 5 7 17 35 85 119 595 4993 24965 34951 84881 174755 424405 594167 1044569 2970835 5222845 7311983 17757673 36559915 88788365 124303711 621518555 5215533017 26077665085 36508731119 88664061289 182543655595 443320306445 620648429023 3103242145115