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2112423101 = 67263119881
BaseRepresentation
bin111110111101001…
…0000010010111101
312110012220012201122
41331322100102331
513311240014401
6545340320325
7103230204635
oct17572202275
95405805648
102112423101
11994453818
124ab5430a5
1327884a5c9
141607a16c5
15c56bd21b
hex7de904bd

2112423101 has 8 divisors (see below), whose sum is σ = 2152121664. Its totient is φ = 2072964960.

The previous prime is 2112423091. The next prime is 2112423121. The reversal of 2112423101 is 1013242112.

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 2112423101 - 214 = 2112406717 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2112423101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112423121) 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, 42320 + ... + 77561.

It is an arithmetic number, because the mean of its divisors is an integer number (269015208).

Almost surely, 22112423101 is an apocalyptic number.

It is an amenable number.

2112423101 is a deficient number, since it is larger than the sum of its proper divisors (39698563).

2112423101 is a wasteful number, since it uses less digits than its factorization.

2112423101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120211.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 2112423101 is about 45961.1042186760. The cubic root of 2112423101 is about 1283.0994024761.

Adding to 2112423101 its reverse (1013242112), we get a palindrome (3125665213).

The spelling of 2112423101 in words is "two billion, one hundred twelve million, four hundred twenty-three thousand, one hundred one".

Divisors: 1 67 263 17621 119881 8032027 31528703 2112423101