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11281494692 = 2213216951821
BaseRepresentation
bin10101000000110110…
…11111001010100100
31002010020010022100202
422200123133022210
5141101030312232
65103241330032
7546365060036
oct124033371244
932106108322
1011281494692
11486a122a36
12222a196918
1310aa346460
14790427c56
15460645162
hex2a06df2a4

11281494692 has 12 divisors (see below), whose sum is σ = 21261278556. Its totient is φ = 5206843680.

The previous prime is 11281494689. The next prime is 11281494751. The reversal of 11281494692 is 29649418211.

It can be written as a sum of positive squares in 2 ways, for example, as 1388009536 + 9893485156 = 37256^2 + 99466^2 .

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, 108475859 + ... + 108475962.

It is an arithmetic number, because the mean of its divisors is an integer number (1771773213).

Almost surely, 211281494692 is an apocalyptic number.

It is an amenable number.

11281494692 is a deficient number, since it is larger than the sum of its proper divisors (9979783864).

11281494692 is a wasteful number, since it uses less digits than its factorization.

11281494692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216951838 (or 216951836 counting only the distinct ones).

The product of its digits is 248832, while the sum is 47.

The spelling of 11281494692 in words is "eleven billion, two hundred eighty-one million, four hundred ninety-four thousand, six hundred ninety-two".

Divisors: 1 2 4 13 26 52 216951821 433903642 867807284 2820373673 5640747346 11281494692