Search a number
-
+
11515151140052 = 2271033992770853
BaseRepresentation
bin1010011110010001010001…
…1111100100010011010100
31111202211121200102001102012
42213210110133210103110
53002131012142440202
640253553140203352
72265641115500660
oct247442437442324
944684550361365
1011515151140052
11373a60368a15a
12135b868999558
13656b494c8951
142bb49cac38a0
1514e807509152
hexa79147e44d4

11515151140052 has 24 divisors (see below), whose sum is σ = 23253897453696. Its totient is φ = 4887151522848.

The previous prime is 11515151140013. The next prime is 11515151140063. The reversal of 11515151140052 is 25004115151511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1996382543 + ... + 1996388310.

It is an arithmetic number, because the mean of its divisors is an integer number (968912393904).

Almost surely, 211515151140052 is an apocalyptic number.

It is an amenable number.

11515151140052 is an abundant number, since it is smaller than the sum of its proper divisors (11738746313644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11515151140052 is a wasteful number, since it uses less digits than its factorization.

11515151140052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3992770967 (or 3992770965 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 32.

Adding to 11515151140052 its reverse (25004115151511), we get a palindrome (36519266291563).

The spelling of 11515151140052 in words is "eleven trillion, five hundred fifteen billion, one hundred fifty-one million, one hundred forty thousand, fifty-two".

Divisors: 1 2 4 7 14 28 103 206 412 721 1442 2884 3992770853 7985541706 15971083412 27949395971 55898791942 111797583884 411255397859 822510795718 1645021591436 2878787785013 5757575570026 11515151140052