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2053400023 = 8669236867
BaseRepresentation
bin111101001100100…
…0110010111010111
312022002211112021201
41322121012113113
513201132300043
6535431253331
7101612416663
oct17231062727
95262745251
102053400023
119640aa914
1249381a247
132695531cc
141569d98a3
15c040ec4d
hex7a6465d7

2053400023 has 4 divisors (see below), whose sum is σ = 2053645560. Its totient is φ = 2053154488.

The previous prime is 2053399973. The next prime is 2053400033. The reversal of 2053400023 is 3200043502.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2053400023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2053400033) 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, 109765 + ... + 127102.

It is an arithmetic number, because the mean of its divisors is an integer number (513411390).

Almost surely, 22053400023 is an apocalyptic number.

2053400023 is a deficient number, since it is larger than the sum of its proper divisors (245537).

2053400023 is an equidigital number, since it uses as much as digits as its factorization.

2053400023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245536.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 2053400023 is about 45314.4571080798. The cubic root of 2053400023 is about 1271.0360081357.

Adding to 2053400023 its reverse (3200043502), we get a palindrome (5253443525).

The spelling of 2053400023 in words is "two billion, fifty-three million, four hundred thousand, twenty-three".

Divisors: 1 8669 236867 2053400023