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2213075667640 = 235170123325217
BaseRepresentation
bin100000001101000101100…
…101101100101010111000
321211120100001022021102011
4200031011211230222320
5242224334332331030
64412401204015304
7315614035540045
oct40150545545270
97746301267364
102213075667640
11783618579682
122b8aaa691534
131308cc829696
14791833961cc
153c87934db2a
hex2034596cab8

2213075667640 has 32 divisors (see below), whose sum is σ = 4979464832880. Its totient is φ = 885222341632.

The previous prime is 2213075667619. The next prime is 2213075667641. The reversal of 2213075667640 is 467665703122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213075667641) 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, 6642312 + ... + 6967528.

Almost surely, 22213075667640 is an apocalyptic number.

2213075667640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2213075667640 is an abundant number, since it is smaller than the sum of its proper divisors (2766389165240).

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

2213075667640 is a wasteful number, since it uses less digits than its factorization.

2213075667640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495351 (or 495347 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 49.

The spelling of 2213075667640 in words is "two trillion, two hundred thirteen billion, seventy-five million, six hundred sixty-seven thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 20 40 170123 325217 340246 650434 680492 850615 1300868 1360984 1626085 1701230 2601736 3252170 3402460 6504340 6804920 13008680 55326891691 110653783382 221307566764 276634458455 442615133528 553268916910 1106537833820 2213075667640