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1112120204881 = 7158874314983
BaseRepresentation
bin10000001011101111100…
…001111001111001010001
310221022120120100222011211
4100023233201321321101
5121210110233024011
62210522335340121
7143230242524560
oct20135741717121
93838516328154
101112120204881
11399713954344
1215b652981641
1380b45b0903a
143bb81055bd7
151dddea67b21
hex102ef879e51

1112120204881 has 4 divisors (see below), whose sum is σ = 1270994519872. Its totient is φ = 953245889892.

The previous prime is 1112120204851. The next prime is 1112120204939. The reversal of 1112120204881 is 1884020212111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1112120204881 - 227 = 1111985987153 is a prime.

It is a super-2 number, since 2×11121202048812 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1112120204801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79437157485 + ... + 79437157498.

It is an arithmetic number, because the mean of its divisors is an integer number (317748629968).

Almost surely, 21112120204881 is an apocalyptic number.

It is an amenable number.

1112120204881 is a deficient number, since it is larger than the sum of its proper divisors (158874314991).

1112120204881 is an equidigital number, since it uses as much as digits as its factorization.

1112120204881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158874314990.

The product of its (nonzero) digits is 2048, while the sum is 31.

Adding to 1112120204881 its reverse (1884020212111), we get a palindrome (2996140416992).

The spelling of 1112120204881 in words is "one trillion, one hundred twelve billion, one hundred twenty million, two hundred four thousand, eight hundred eighty-one".

Divisors: 1 7 158874314983 1112120204881