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45454045454 = 2101990122727
BaseRepresentation
bin101010010101010001…
…011011000100001110
311100022202210202022222
4222111101123010032
51221042213423304
632514205535342
73166252003646
oct522521330416
9140282722288
1045454045454
1118305695124
128986574552
134394cc62ac
1422b2aa1526
1512b072a4be
hexa9545b10e

45454045454 has 16 divisors (see below), whose sum is σ = 68866112736. Its totient is φ = 22498740000.

The previous prime is 45454045453. The next prime is 45454045493.

45454045454 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×454540454542 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45454045451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1988639 + ... + 2011365.

It is an arithmetic number, because the mean of its divisors is an integer number (4304132046).

Almost surely, 245454045454 is an apocalyptic number.

45454045454 is a deficient number, since it is larger than the sum of its proper divisors (23412067282).

45454045454 is a wasteful number, since it uses less digits than its factorization.

45454045454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32731.

The product of its (nonzero) digits is 2560000, while the sum is 44.

It can be divided in two parts, 454540 and 45454, that added together give a palindrome (499994).

The spelling of 45454045454 in words is "forty-five billion, four hundred fifty-four million, forty-five thousand, four hundred fifty-four".

Divisors: 1 2 101 202 9901 19802 22727 45454 1000001 2000002 2295427 4590854 225020027 450040054 22727022727 45454045454