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121069782 = 23311319841
BaseRepresentation
bin1110011011101…
…10000011010110
322102210222112000
413031312003112
5221443213112
620002540130
73000035061
oct715660326
9272728460
10121069782
1162382579
1234667646
131c10cb32
14121178d8
15a9677dc
hex73760d6

121069782 has 32 divisors (see below), whose sum is σ = 271438560. Its totient is φ = 39997440.

The previous prime is 121069771. The next prime is 121069783. The reversal of 121069782 is 287960121.

It is a super-2 number, since 2×1210697822 = 29315784227055048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121069783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3819 + ... + 16022.

It is an arithmetic number, because the mean of its divisors is an integer number (8482455).

Almost surely, 2121069782 is an apocalyptic number.

121069782 is an abundant number, since it is smaller than the sum of its proper divisors (150368778).

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

121069782 is a wasteful number, since it uses less digits than its factorization.

121069782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19965 (or 19959 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 121069782 is about 11003.1714519042. The cubic root of 121069782 is about 494.7038081114.

The spelling of 121069782 in words is "one hundred twenty-one million, sixty-nine thousand, seven hundred eighty-two".

Divisors: 1 2 3 6 9 18 27 54 113 226 339 678 1017 2034 3051 6102 19841 39682 59523 119046 178569 357138 535707 1071414 2242033 4484066 6726099 13452198 20178297 40356594 60534891 121069782