Search a number
-
+
2100112110001 = 47148350875923
BaseRepresentation
bin11110100011111000011…
…011111011000110110001
321102202202102102222020001
4132203320123323012301
5233402012200010001
64244440030550001
7304504510253623
oct36437033730661
97382672388201
102100112110001
1173a71a599884
1229b023368301
13123069367699
1473908774c13
1539966eb0001
hex1e8f86fb1b1

2100112110001 has 16 divisors (see below), whose sum is σ = 2147025936384. Its totient is φ = 2053292374224.

The previous prime is 2100112109981. The next prime is 2100112110079. The reversal of 2100112110001 is 1000112110012.

It is not a de Polignac number, because 2100112110001 - 213 = 2100112101809 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 2100112110001.

It is not an unprimeable number, because it can be changed into a prime (2100112410001) 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, 354566026 + ... + 354571948.

It is an arithmetic number, because the mean of its divisors is an integer number (134189121024).

Almost surely, 22100112110001 is an apocalyptic number.

It is an amenable number.

2100112110001 is a deficient number, since it is larger than the sum of its proper divisors (46913826383).

2100112110001 is a wasteful number, since it uses less digits than its factorization.

2100112110001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12540.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 2100112110001 its reverse (1000112110012), we get a palindrome (3100224220013).

The spelling of 2100112110001 in words is "two trillion, one hundred billion, one hundred twelve million, one hundred ten thousand, one".

Divisors: 1 47 1483 5087 5923 69701 239089 278381 7544021 8783809 30130301 354568987 412839023 1416124147 44683236383 2100112110001