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8028725763641 = 1141118115073711
BaseRepresentation
bin111010011010101010101…
…0110001101111000111001
31001102112112200222101120012
41310311111112031320321
52023020312243414031
625024202400511305
71456025210660252
oct164652526157071
931375480871505
108028725763641
112615a66426670
12a9803001b535
1346314aca1c3b
141da841791b29
15ddca3c8cb2b
hex74d5558de39

8028725763641 has 16 divisors (see below), whose sum is σ = 8979832302336. Its totient is φ = 7114791120000.

The previous prime is 8028725763637. The next prime is 8028725763691. The reversal of 8028725763641 is 1463675278208.

It is a cyclic number.

It is not a de Polignac number, because 8028725763641 - 22 = 8028725763637 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8028725763691) 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, 7004225 + ... + 8069486.

It is an arithmetic number, because the mean of its divisors is an integer number (561239518896).

Almost surely, 28028725763641 is an apocalyptic number.

It is an amenable number.

8028725763641 is a deficient number, since it is larger than the sum of its proper divisors (951106538695).

8028725763641 is a wasteful number, since it uses less digits than its factorization.

8028725763641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15074944.

The product of its (nonzero) digits is 27095040, while the sum is 59.

The spelling of 8028725763641 in words is "eight trillion, twenty-eight billion, seven hundred twenty-five million, seven hundred sixty-three thousand, six hundred forty-one".

Divisors: 1 11 41 451 1181 12991 48421 532631 15073711 165810821 618022151 6798243661 17802052691 195822579601 729884160331 8028725763641