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2142103254 = 23883404323
BaseRepresentation
bin111111110101101…
…1110011011010110
312112021202010020120
41333223132123112
513341334301004
6552320412410
7104040401664
oct17753363326
95467663216
102142103254
119aa185975
124b9477106
13281a3cb25
141646c9c34
15c80d23d9
hex7fade6d6

2142103254 has 16 divisors (see below), whose sum is σ = 4289068992. Its totient is φ = 713224008.

The previous prime is 2142103253. The next prime is 2142103273. The reversal of 2142103254 is 4523012412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142103253) 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, 196864 + ... + 207459.

It is an arithmetic number, because the mean of its divisors is an integer number (268066812).

Almost surely, 22142103254 is an apocalyptic number.

2142103254 is an abundant number, since it is smaller than the sum of its proper divisors (2146965738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2142103254 is a wasteful number, since it uses less digits than its factorization.

2142103254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405211.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2142103254 is about 46282.8613419698. The cubic root of 2142103254 is about 1289.0807813573.

Adding to 2142103254 its reverse (4523012412), we get a palindrome (6665115666).

The spelling of 2142103254 in words is "two billion, one hundred forty-two million, one hundred three thousand, two hundred fifty-four".

Divisors: 1 2 3 6 883 1766 2649 5298 404323 808646 1212969 2425938 357017209 714034418 1071051627 2142103254