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2112748475039 = 29401181679291
BaseRepresentation
bin11110101111101001100…
…111110101001010011111
321110222101001222211021222
4132233221213311022133
5234103402102200124
64254325552043555
7305432606505206
oct36575147651237
97428331884258
102112748475039
11745014486974
122a156b2335bb
131243012bac67
1474386ac423d
1539e5653325e
hex1ebe99f529f

2112748475039 has 8 divisors (see below), whose sum is σ = 2191052261520. Its totient is φ = 2034808048000.

The previous prime is 2112748475029. The next prime is 2112748475077. The reversal of 2112748475039 is 9305748472112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2112748475039 - 224 = 2112731697823 is a prime.

It is a super-2 number, since 2×21127484750392 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112748475029) 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, 90828017 + ... + 90851274.

It is an arithmetic number, because the mean of its divisors is an integer number (273881532690).

Almost surely, 22112748475039 is an apocalyptic number.

2112748475039 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2112748475039 is a deficient number, since it is larger than the sum of its proper divisors (78303786481).

2112748475039 is a wasteful number, since it uses less digits than its factorization.

2112748475039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181679721.

The product of its (nonzero) digits is 3386880, while the sum is 53.

The spelling of 2112748475039 in words is "two trillion, one hundred twelve billion, seven hundred forty-eight million, four hundred seventy-five thousand, thirty-nine".

Divisors: 1 29 401 11629 181679291 5268699439 72853395691 2112748475039