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11742784742 = 213632371429
BaseRepresentation
bin10101110111110110…
…01010110011100110
31010022101010021100102
422323323022303212
5143022123102432
65221120344102
7563666011013
oct127373126346
933271107312
1011742784742
114a8654aa87
122338775032
131151a96c50
147d57c470a
1548adb3962
hex2bbecace6

11742784742 has 16 divisors (see below), whose sum is σ = 18972379440. Its totient is φ = 5418813792.

The previous prime is 11742784741. The next prime is 11742784751. The reversal of 11742784742 is 24748724711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11742784741) 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, 128684 + ... + 200112.

It is an arithmetic number, because the mean of its divisors is an integer number (1185773715).

Almost surely, 211742784742 is an apocalyptic number.

11742784742 is a deficient number, since it is larger than the sum of its proper divisors (7229594698).

11742784742 is a wasteful number, since it uses less digits than its factorization.

11742784742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77767.

The product of its digits is 702464, while the sum is 47.

The spelling of 11742784742 in words is "eleven billion, seven hundred forty-two million, seven hundred eighty-four thousand, seven hundred forty-two".

Divisors: 1 2 13 26 6323 12646 71429 82199 142858 164398 928577 1857154 451645567 903291134 5871392371 11742784742