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2190989201 = 31412716361
BaseRepresentation
bin1000001010010111…
…1101011110010001
312122200201210011012
42002211331132101
513441343123301
61001224300305
7105203046422
oct20245753621
95580653135
102190989201
11a24835685
12511911695
1328bbc811b
1416adb3649
15cc53bebb
hex8297d791

2190989201 has 16 divisors (see below), whose sum is σ = 2325743616. Its totient is φ = 2060640000.

The previous prime is 2190989197. The next prime is 2190989209. The reversal of 2190989201 is 1029890912.

2190989201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2190989201 - 22 = 2190989197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2190989209) 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, 341261 + ... + 347621.

It is an arithmetic number, because the mean of its divisors is an integer number (145358976).

Almost surely, 22190989201 is an apocalyptic number.

It is an amenable number.

2190989201 is a deficient number, since it is larger than the sum of its proper divisors (134754415).

2190989201 is a wasteful number, since it uses less digits than its factorization.

2190989201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6704.

The product of its (nonzero) digits is 23328, while the sum is 41.

The square root of 2190989201 is about 46808.0035998119. The cubic root of 2190989201 is about 1298.8133552229.

The spelling of 2190989201 in words is "two billion, one hundred ninety million, nine hundred eighty-nine thousand, two hundred one".

Divisors: 1 31 41 271 1271 6361 8401 11111 197191 260801 344441 1723831 8084831 53438761 70677071 2190989201