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552451100020420 = 22527622555001021
BaseRepresentation
bin111110110011100111000101…
…1100100101000111011000100
32200110001210212000212010111011
41331213032023210220323010
51034402324323101123140
65234544310503052004
7224236163160120346
oct17547161344507304
92613053760763434
10552451100020420
11150034217655777
1251b64883741004
131a934bb88b6123
149a5cac114d296
1543d07c3165cea
hex1f6738b928ec4

552451100020420 has 12 divisors (see below), whose sum is σ = 1160147310042924. Its totient is φ = 220980440008160.

The previous prime is 552451100020399. The next prime is 552451100020451. The reversal of 552451100020420 is 24020001154255.

It can be written as a sum of positive squares in 2 ways, for example, as 441537175481796 + 110913924538624 = 21012786^2 + 10531568^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13811277500491 + ... + 13811277500530.

It is an arithmetic number, because the mean of its divisors is an integer number (96678942503577).

Almost surely, 2552451100020420 is an apocalyptic number.

It is an amenable number.

552451100020420 is an abundant number, since it is smaller than the sum of its proper divisors (607696210022504).

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

552451100020420 is a wasteful number, since it uses less digits than its factorization.

552451100020420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27622555001030 (or 27622555001028 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 552451100020420 its reverse (24020001154255), we get a palindrome (576471101174675).

The spelling of 552451100020420 in words is "five hundred fifty-two trillion, four hundred fifty-one billion, one hundred million, twenty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 27622555001021 55245110002042 110490220004084 138112775005105 276225550010210 552451100020420