Search a number
-
+
11312542132 = 2211497245989
BaseRepresentation
bin10101000100100011…
…11011000110110100
31002012101112200102221
422202101323012310
5141132002322012
65110311012124
7550223010253
oct124221730664
932171480387
1011312542132
1148856a9381
12223866a044
1310b38c7118
147945ca79a
15463229507
hex2a247b1b4

11312542132 has 12 divisors (see below), whose sum is σ = 19798751140. Its totient is φ = 5655756096.

The previous prime is 11312542127. The next prime is 11312542217. The reversal of 11312542132 is 23124521311.

It can be written as a sum of positive squares in 2 ways, for example, as 5341271056 + 5971271076 = 73084^2 + 77274^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11312542097 and 11312542106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77007 + ... + 168982.

Almost surely, 211312542132 is an apocalyptic number.

It is an amenable number.

11312542132 is a deficient number, since it is larger than the sum of its proper divisors (8486209008).

11312542132 is a wasteful number, since it uses less digits than its factorization.

11312542132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257490 (or 257488 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The spelling of 11312542132 in words is "eleven billion, three hundred twelve million, five hundred forty-two thousand, one hundred thirty-two".

Divisors: 1 2 4 11497 22994 45988 245989 491978 983956 2828135533 5656271066 11312542132