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4545452551 = 5897977069
BaseRepresentation
bin1000011101110111…
…00001101000000111
3102201210001220200111
410032323201220013
533302113440201
62031012453451
7220432465153
oct41673415007
912653056614
104545452551
111a22875862
12a6a31a287
1357592c0c3
1431197c063
151b90bab51
hex10eee1a07

4545452551 has 4 divisors (see below), whose sum is σ = 4545588600. Its totient is φ = 4545316504.

The previous prime is 4545452507. The next prime is 4545452567. The reversal of 4545452551 is 1552545454.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4545452551 - 27 = 4545452423 is a prime.

It is a super-2 number, since 2×45454525512 = 41322277786784815202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545452591) 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, 20445 + ... + 97513.

It is an arithmetic number, because the mean of its divisors is an integer number (1136397150).

Almost surely, 24545452551 is an apocalyptic number.

4545452551 is a deficient number, since it is larger than the sum of its proper divisors (136049).

4545452551 is an equidigital number, since it uses as much as digits as its factorization.

4545452551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136048.

The product of its digits is 400000, while the sum is 40.

The square root of 4545452551 is about 67419.9714550518. The cubic root of 4545452551 is about 1656.5035700795.

The spelling of 4545452551 in words is "four billion, five hundred forty-five million, four hundred fifty-two thousand, five hundred fifty-one".

Divisors: 1 58979 77069 4545452551