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2223006561161 = 17795903280409
BaseRepresentation
bin100000010110010101100…
…001000011001110001001
321212111222011000221021022
4200112111201003032021
5242410204134424121
64421122441322225
7316415113666301
oct40262541031611
97774864027238
102223006561161
117878542829a1
122baa00496375
131318230cbc39
147984628a601
153cc5b10aaab
hex20595843389

2223006561161 has 16 divisors (see below), whose sum is σ = 2383978521600. Its totient is φ = 2065400083968.

The previous prime is 2223006561151. The next prime is 2223006561187. The reversal of 2223006561161 is 1611656003222.

It is a cyclic number.

It is not a de Polignac number, because 2223006561161 - 222 = 2223002366857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2223006561121) 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, 7787525 + ... + 8067933.

It is an arithmetic number, because the mean of its divisors is an integer number (148998657600).

Almost surely, 22223006561161 is an apocalyptic number.

It is an amenable number.

2223006561161 is a deficient number, since it is larger than the sum of its proper divisors (160971960439).

2223006561161 is a wasteful number, since it uses less digits than its factorization.

2223006561161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286408.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 2223006561161 in words is "two trillion, two hundred twenty-three billion, six million, five hundred sixty-one thousand, one hundred sixty-one".

Divisors: 1 17 79 1343 5903 100351 280409 466337 4766953 7927729 22152311 376589287 1655254327 28139323559 130765091833 2223006561161