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20231432103 = 3431311197197
BaseRepresentation
bin10010110101111000…
…110010011110100111
31221012222000020102010
4102311320302132213
5312413221311403
613143313445303
71314232223031
oct226570623647
957188006363
1020231432103
118642130423
123b07570833
131ba56189cc
14d9cd2ac51
157d6233603
hex4b5e327a7

20231432103 has 16 divisors (see below), whose sum is σ = 27813303936. Its totient is φ = 13073380320.

The previous prime is 20231432093. The next prime is 20231432159. The reversal of 20231432103 is 30123413202.

It is not a de Polignac number, because 20231432103 - 24 = 20231432087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20231432103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20231432183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 581700 + ... + 615497.

It is an arithmetic number, because the mean of its divisors is an integer number (1738331496).

Almost surely, 220231432103 is an apocalyptic number.

20231432103 is a deficient number, since it is larger than the sum of its proper divisors (7581871833).

20231432103 is a wasteful number, since it uses less digits than its factorization.

20231432103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197374.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20231432103 its reverse (30123413202), we get a palindrome (50354845305).

The spelling of 20231432103 in words is "twenty billion, two hundred thirty-one million, four hundred thirty-two thousand, one hundred three".

Divisors: 1 3 43 129 131 393 5633 16899 1197197 3591591 51479471 154438413 156832807 470498421 6743810701 20231432103