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23203202140 = 2251160160107
BaseRepresentation
bin10101100111000001…
…001100010001011100
32012220001220210112001
4111213001030101130
5340010004432030
614354233052044
71450665651436
oct254701142134
965801823461
1023203202140
11992766a218
1245b6857024
13225a1c7b11
1411a18a5656
1590c09ccca
hex56704c45c

23203202140 has 12 divisors (see below), whose sum is σ = 48726724536. Its totient is φ = 9281280848.

The previous prime is 23203202111. The next prime is 23203202149. The reversal of 23203202140 is 4120230232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23203202149) 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, 580080034 + ... + 580080073.

It is an arithmetic number, because the mean of its divisors is an integer number (4060560378).

Almost surely, 223203202140 is an apocalyptic number.

23203202140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23203202140 is an abundant number, since it is smaller than the sum of its proper divisors (25523522396).

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

23203202140 is a wasteful number, since it uses less digits than its factorization.

23203202140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160160116 (or 1160160114 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 23203202140 its reverse (4120230232), we get a palindrome (27323432372).

The spelling of 23203202140 in words is "twenty-three billion, two hundred three million, two hundred two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 1160160107 2320320214 4640640428 5800800535 11601601070 23203202140