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454444413020 = 225132375994049
BaseRepresentation
bin1101001110011101111…
…11110111000001011100
31121110000000100010010022
412213032333313001130
524421200232204040
6544434024531312
744555361530063
oct6471677670134
91543000303108
10454444413020
11165802029764
12740a8620b38
1333b140c1450
1417dd0c8d1da
15bc4b54b6b5
hex69ceff705c

454444413020 has 48 divisors (see below), whose sum is σ = 1072428033600. Its totient is φ = 160499429376.

The previous prime is 454444413013. The next prime is 454444413023. The reversal of 454444413020 is 20314444454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454444413023) 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, 37991045 + ... + 38003004.

It is an arithmetic number, because the mean of its divisors is an integer number (22342250700).

Almost surely, 2454444413020 is an apocalyptic number.

It is an amenable number.

454444413020 is an abundant number, since it is smaller than the sum of its proper divisors (617983620580).

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

454444413020 is a wasteful number, since it uses less digits than its factorization.

454444413020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75994094 (or 75994092 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 35.

Adding to 454444413020 its reverse (20314444454), we get a palindrome (474758857474).

The spelling of 454444413020 in words is "four hundred fifty-four billion, four hundred forty-four million, four hundred thirteen thousand, twenty".

Divisors: 1 2 4 5 10 13 20 23 26 46 52 65 92 115 130 230 260 299 460 598 1196 1495 2990 5980 75994049 151988098 303976196 379970245 759940490 987922637 1519880980 1747863127 1975845274 3495726254 3951690548 4939613185 6991452508 8739315635 9879226370 17478631270 19758452740 22722220651 34957262540 45444441302 90888882604 113611103255 227222206510 454444413020