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2239211274209 = 71399149734993
BaseRepresentation
bin100000100101011011011…
…001000111111111100001
321221001210111001122120122
4200211123121013333201
5243141401041233314
64432402432450025
7320530512533540
oct40453331077741
97831714048518
102239211274209
1179370a42a728
12301b833a9915
131332063cc740
147a5424aa157
153d3a8a8c28e
hex2095b647fe1

2239211274209 has 32 divisors (see below), whose sum is σ = 2759840692224. Its totient is φ = 1769185566720.

The previous prime is 2239211274163. The next prime is 2239211274247. The reversal of 2239211274209 is 9024721129322.

It is a de Polignac number, because none of the positive numbers 2k-2239211274209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2239211274209.

It is not an unprimeable number, because it can be changed into a prime (2239211274109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 448467617 + ... + 448472609.

It is an arithmetic number, because the mean of its divisors is an integer number (86245021632).

Almost surely, 22239211274209 is an apocalyptic number.

It is an amenable number.

2239211274209 is a deficient number, since it is larger than the sum of its proper divisors (520629418015).

2239211274209 is a wasteful number, since it uses less digits than its factorization.

2239211274209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10977.

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 2239211274209 in words is "two trillion, two hundred thirty-nine billion, two hundred eleven million, two hundred seventy-four thousand, two hundred nine".

Divisors: 1 7 13 91 991 4973 4993 6937 12883 34811 34951 64649 64909 90181 452543 454363 4928243 4948063 24830189 34497701 34636441 64067159 64324819 173811323 322792457 448470113 450273733 2259547199 24606717299 172247021093 319887324887 2239211274209