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2125454023 = 71131890429
BaseRepresentation
bin111111010101111…
…1101101011000111
312111010102020210101
41332223331223013
513323104012043
6550523504531
7103446026650
oct17653755307
95433366711
102125454023
119a0844080
124b3988147
1327b460904
141623d4527
15c68e424d
hex7eafdac7

2125454023 has 16 divisors (see below), whose sum is σ = 2735400960. Its totient is φ = 1602770400.

The previous prime is 2125454003. The next prime is 2125454027. The reversal of 2125454023 is 3204545212.

It is not a de Polignac number, because 2125454023 - 25 = 2125453991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2125453982 and 2125454000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125454027) 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, 442828 + ... + 447601.

It is an arithmetic number, because the mean of its divisors is an integer number (170962560).

Almost surely, 22125454023 is an apocalyptic number.

2125454023 is a deficient number, since it is larger than the sum of its proper divisors (609946937).

2125454023 is a wasteful number, since it uses less digits than its factorization.

2125454023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890478.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 2125454023 is about 46102.6465943117. The cubic root of 2125454023 is about 1285.7323512388.

Adding to 2125454023 its reverse (3204545212), we get a palindrome (5329999235).

The spelling of 2125454023 in words is "two billion, one hundred twenty-five million, four hundred fifty-four thousand, twenty-three".

Divisors: 1 7 11 31 77 217 341 2387 890429 6233003 9794719 27603299 68563033 193223093 303636289 2125454023