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2142422101 = 23591578793
BaseRepresentation
bin111111110110010…
…1100010001010101
312112022100022121201
41333230230101111
513341430001401
6552331312501
7104043200401
oct17754542125
95468308551
102142422101
119aa383486
124b95ab731
13281b21cb1
14164770101
15c8146b01
hex7fb2c455

2142422101 has 8 divisors (see below), whose sum is σ = 2273463360. Its totient is φ = 2014538592.

The previous prime is 2142422071. The next prime is 2142422111. The reversal of 2142422101 is 1012242412.

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 2142422101 - 217 = 2142291029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142422111) 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, 788040 + ... + 790753.

It is an arithmetic number, because the mean of its divisors is an integer number (284182920).

Almost surely, 22142422101 is an apocalyptic number.

It is an amenable number.

2142422101 is a deficient number, since it is larger than the sum of its proper divisors (131041259).

2142422101 is a wasteful number, since it uses less digits than its factorization.

2142422101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578875.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 2142422101 is about 46286.3057609916. The cubic root of 2142422101 is about 1289.1447370588.

Adding to 2142422101 its reverse (1012242412), we get a palindrome (3154664513).

The spelling of 2142422101 in words is "two billion, one hundred forty-two million, four hundred twenty-two thousand, one hundred one".

Divisors: 1 23 59 1357 1578793 36312239 93148787 2142422101