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2112300001 = 753103167331
BaseRepresentation
bin111110111100111…
…0010001111100001
312110012122221212101
41331321302033201
513311222100001
6545333530401
7103226153020
oct17571621741
95405587771
102112300001
1199437a289
124ab4a3a01
13278806576
1416076c8b7
15c5696a01
hex7de723e1

2112300001 has 32 divisors (see below), whose sum is σ = 2505904128. Its totient is φ = 1743318720.

The previous prime is 2112299983. The next prime is 2112300007. The reversal of 2112300001 is 1000032112.

It is a cyclic number.

It is not a de Polignac number, because 2112300001 - 27 = 2112299873 is a prime.

It is a super-2 number, since 2×21123000012 = 8923622588449200002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2112300007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6381406 + ... + 6381736.

It is an arithmetic number, because the mean of its divisors is an integer number (78309504).

Almost surely, 22112300001 is an apocalyptic number.

It is an amenable number.

2112300001 is a deficient number, since it is larger than the sum of its proper divisors (393604127).

2112300001 is a wasteful number, since it uses less digits than its factorization.

2112300001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 2112300001 is about 45959.7650233332. The cubic root of 2112300001 is about 1283.0744780809.

Adding to 2112300001 its reverse (1000032112), we get a palindrome (3112332113).

The spelling of 2112300001 in words is "two billion, one hundred twelve million, three hundred thousand, one".

Divisors: 1 7 53 103 167 331 371 721 1169 2317 5459 8851 17201 17543 34093 38213 55277 61957 120407 122801 238651 386939 911653 1806929 2929681 5693531 6381571 12648503 20507767 39854717 301757143 2112300001