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2722020993 = 32674514131
BaseRepresentation
bin1010001000111110…
…1011111010000001
321000200221222211100
42202033223322001
521033314132433
61130034205013
7124311540156
oct24217537201
97020858740
102722020993
11117756772a
1263b723769
13344c26a13
141bb72622d
1510de84b13
hexa23ebe81

2722020993 has 12 divisors (see below), whose sum is σ = 3990492688. Its totient is φ = 1787595480.

The previous prime is 2722020971. The next prime is 2722021063. The reversal of 2722020993 is 3990202272.

It is a happy number.

2722020993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2722020993 - 210 = 2722019969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2722020913) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2256463 + ... + 2257668.

Almost surely, 22722020993 is an apocalyptic number.

It is an amenable number.

2722020993 is a deficient number, since it is larger than the sum of its proper divisors (1268471695).

2722020993 is a wasteful number, since it uses less digits than its factorization.

2722020993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4514204 (or 4514201 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 2722020993 is about 52172.9910298423. The cubic root of 2722020993 is about 1396.2520489237.

The spelling of 2722020993 in words is "two billion, seven hundred twenty-two million, twenty thousand, nine hundred ninety-three".

Divisors: 1 3 9 67 201 603 4514131 13542393 40627179 302446777 907340331 2722020993