Search a number
-
+
3122100145 = 53779213623
BaseRepresentation
bin1011101000010111…
…0111011110110001
322001120210010020201
42322011313132301
522343224201040
61233445235201
7140240261533
oct27205673661
98046703221
103122100145
11136238705a
12731702b01
133a9a95348
1421890b853
15134161a9a
hexba1777b1

3122100145 has 16 divisors (see below), whose sum is σ = 3896501760. Its totient is φ = 2399402304.

The previous prime is 3122100139. The next prime is 3122100217. The reversal of 3122100145 is 5410012213.

It is a cyclic number.

It is not a de Polignac number, because 3122100145 - 217 = 3121969073 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 92197 + ... + 121426.

It is an arithmetic number, because the mean of its divisors is an integer number (243531360).

Almost surely, 23122100145 is an apocalyptic number.

It is an amenable number.

3122100145 is a deficient number, since it is larger than the sum of its proper divisors (774401615).

3122100145 is a wasteful number, since it uses less digits than its factorization.

3122100145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213744.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 3122100145 is about 55875.7563259774. The cubic root of 3122100145 is about 1461.5565036884.

Adding to 3122100145 its reverse (5410012213), we get a palindrome (8532112358).

The spelling of 3122100145 in words is "three billion, one hundred twenty-two million, one hundred thousand, one hundred forty-five".

Divisors: 1 5 37 79 185 395 2923 14615 213623 1068115 7904051 16876217 39520255 84381085 624420029 3122100145