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11215432075 = 524013111791
BaseRepresentation
bin10100111000111110…
…11110100110001011
31001221121210222111011
422130133132212023
5140432122311300
65052521344351
7544633412461
oct123437364613
931847728434
1011215432075
114835901131
1222100380b7
131099755b53
1478574c831
15459945eba
hex29c7de98b

11215432075 has 12 divisors (see below), whose sum is σ = 13910725728. Its totient is φ = 8970029600.

The previous prime is 11215432069. The next prime is 11215432091. The reversal of 11215432075 is 57023451211.

It is not a de Polignac number, because 11215432075 - 211 = 11215430027 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44430 + ... + 156220.

It is an arithmetic number, because the mean of its divisors is an integer number (1159227144).

Almost surely, 211215432075 is an apocalyptic number.

11215432075 is a deficient number, since it is larger than the sum of its proper divisors (2695293653).

11215432075 is a wasteful number, since it uses less digits than its factorization.

11215432075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115814 (or 115809 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

Adding to 11215432075 its reverse (57023451211), we get a palindrome (68238883286).

The spelling of 11215432075 in words is "eleven billion, two hundred fifteen million, four hundred thirty-two thousand, seventy-five".

Divisors: 1 5 25 4013 20065 100325 111791 558955 2794775 448617283 2243086415 11215432075