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11142142302 = 234507412031
BaseRepresentation
bin10100110000001111…
…11001100101011110
31001202111220110211010
422120013321211132
5140304342023202
65041342440050
7543053434614
oct123007714536
931674813733
1011142142302
1147a84a3475
1221ab593026
131087504b15
14779b116b4
154532ba76c
hex2981f995e

11142142302 has 16 divisors (see below), whose sum is σ = 22289283072. Its totient is φ = 3713214360.

The previous prime is 11142142289. The next prime is 11142142309. The reversal of 11142142302 is 20324124111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11142142309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178974 + ... + 233057.

It is an arithmetic number, because the mean of its divisors is an integer number (1393080192).

Almost surely, 211142142302 is an apocalyptic number.

11142142302 is an abundant number, since it is smaller than the sum of its proper divisors (11147140770).

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

11142142302 is a wasteful number, since it uses less digits than its factorization.

11142142302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416543.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 11142142302 its reverse (20324124111), we get a palindrome (31466266413).

The spelling of 11142142302 in words is "eleven billion, one hundred forty-two million, one hundred forty-two thousand, three hundred two".

Divisors: 1 2 3 6 4507 9014 13521 27042 412031 824062 1236093 2472186 1857023717 3714047434 5571071151 11142142302