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454545455500 = 2253909090911
BaseRepresentation
bin1101001110101010000…
…01010011100110001100
31121110021001110121100101
412213111001103212030
524421402114034000
6544452034340444
744561026423423
oct6472501234614
91543231417311
10454545455500
11165854072444
127411642a724
1333b2c00b5b6
14180004722ba
15bc55359e6a
hex69d505398c

454545455500 has 24 divisors (see below), whose sum is σ = 992727275904. Its totient is φ = 181818182000.

The previous prime is 454545455459. The next prime is 454545455519. The reversal of 454545455500 is 5554545454.

It is a super-2 number, since 2×4545454555002 (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454544956 + ... + 454545955.

It is an arithmetic number, because the mean of its divisors is an integer number (41363636496).

Almost surely, 2454545455500 is an apocalyptic number.

It is an amenable number.

454545455500 is an abundant number, since it is smaller than the sum of its proper divisors (538181820404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

454545455500 is a wasteful number, since it uses less digits than its factorization.

454545455500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909090930 (or 909090918 counting only the distinct ones).

The product of its (nonzero) digits is 4000000, while the sum is 46.

The spelling of 454545455500 in words is "four hundred fifty-four billion, five hundred forty-five million, four hundred fifty-five thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 909090911 1818181822 3636363644 4545454555 9090909110 18181818220 22727272775 45454545550 90909091100 113636363875 227272727750 454545455500