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7993690028 = 227979672593
BaseRepresentation
bin1110111000111011…
…00000011110101100
3202122002112112020122
413130131200132230
5112332341040103
63401112304112
7402043146512
oct73435403654
922562475218
107993690028
1134322586a5
1216710a2038
139a5143ccc
1455b9044b2
1531bba0b38
hex1dc7607ac

7993690028 has 24 divisors (see below), whose sum is σ = 14026401312. Its totient is φ = 3986164224.

The previous prime is 7993690027. The next prime is 7993690031. The reversal of 7993690028 is 8200963997.

It is not an unprimeable number, because it can be changed into a prime (7993690027) 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, 3081500 + ... + 3084092.

It is an arithmetic number, because the mean of its divisors is an integer number (584433388).

Almost surely, 27993690028 is an apocalyptic number.

It is an amenable number.

7993690028 is a deficient number, since it is larger than the sum of its proper divisors (6032711284).

7993690028 is a wasteful number, since it uses less digits than its factorization.

7993690028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4361 (or 4359 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 53.

The square root of 7993690028 is about 89407.4383259022. The cubic root of 7993690028 is about 1999.4740306903.

The spelling of 7993690028 in words is "seven billion, nine hundred ninety-three million, six hundred ninety thousand, twenty-eight".

Divisors: 1 2 4 797 967 1594 1934 2593 3188 3868 5186 10372 770699 1541398 2066621 2507431 3082796 4133242 5014862 8266484 10029724 1998422507 3996845014 7993690028