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2140213420 = 225107010671
BaseRepresentation
bin111111110010001…
…0001000010101100
312112011012002212201
41333210101002230
513340343312140
6552212111244
7104015341162
oct17744210254
95464162781
102140213420
119a9105024
124b8905524
1328152a897
14164357232
15c7d5c49a
hex7f9110ac

2140213420 has 12 divisors (see below), whose sum is σ = 4494448224. Its totient is φ = 856085360.

The previous prime is 2140213403. The next prime is 2140213429. The reversal of 2140213420 is 243120412.

It is not an unprimeable number, because it can be changed into a prime (2140213429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53505316 + ... + 53505355.

It is an arithmetic number, because the mean of its divisors is an integer number (374537352).

Almost surely, 22140213420 is an apocalyptic number.

2140213420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2140213420 is an abundant number, since it is smaller than the sum of its proper divisors (2354234804).

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

2140213420 is a wasteful number, since it uses less digits than its factorization.

2140213420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107010680 (or 107010678 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2140213420 is about 46262.4407051768. The cubic root of 2140213420 is about 1288.7015799886.

Adding to 2140213420 its reverse (243120412), we get a palindrome (2383333832).

The spelling of 2140213420 in words is "two billion, one hundred forty million, two hundred thirteen thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 107010671 214021342 428042684 535053355 1070106710 2140213420