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2103234140 = 225750329867
BaseRepresentation
bin111110101011100…
…1100111001011100
312102120121100211202
41331113030321130
513301411443030
6544411335032
7103056123650
oct17527147134
95376540752
102103234140
1198a247a37
124a8451478
13276980c57
1415d48ca60
15c49a5745
hex7d5cce5c

2103234140 has 48 divisors (see below), whose sum is σ = 5057966592. Its totient is φ = 719651136.

The previous prime is 2103234121. The next prime is 2103234157. The reversal of 2103234140 is 414323012.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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, 55487 + ... + 85353.

It is an arithmetic number, because the mean of its divisors is an integer number (105374304).

Almost surely, 22103234140 is an apocalyptic number.

2103234140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2103234140 is an abundant number, since it is smaller than the sum of its proper divisors (2954732452).

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

2103234140 is a wasteful number, since it uses less digits than its factorization.

2103234140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30386 (or 30384 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2103234140 is about 45861.0307341647. The cubic root of 2103234140 is about 1281.2362202286.

Adding to 2103234140 its reverse (414323012), we get a palindrome (2517557152).

The spelling of 2103234140 in words is "two billion, one hundred three million, two hundred thirty-four thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 503 1006 2012 2515 3521 5030 7042 10060 14084 17605 29867 35210 59734 70420 119468 149335 209069 298670 418138 597340 836276 1045345 2090690 4181380 15023101 30046202 60092404 75115505 105161707 150231010 210323414 300462020 420646828 525808535 1051617070 2103234140