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2190171311 = 53113365699
BaseRepresentation
bin1000001010001011…
…0101110010101111
312122122012020012222
42002202311302233
513441140440221
61001154545555
7105163102046
oct20242656257
95578166188
102190171311
11a24327139
125115982bb
1328b99ca73
1416ac3d55d
15cc4299ab
hex828b5caf

2190171311 has 8 divisors (see below), whose sum is σ = 2251249200. Its totient is φ = 2129825152.

The previous prime is 2190171307. The next prime is 2190171317. The reversal of 2190171311 is 1131710912.

2190171311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2190171311 - 22 = 2190171307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2190171317) 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, 176861 + ... + 188838.

It is an arithmetic number, because the mean of its divisors is an integer number (281406150).

Almost surely, 22190171311 is an apocalyptic number.

2190171311 is a deficient number, since it is larger than the sum of its proper divisors (61077889).

2190171311 is a wasteful number, since it uses less digits than its factorization.

2190171311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365865.

The product of its (nonzero) digits is 378, while the sum is 26.

The square root of 2190171311 is about 46799.2661374086. The cubic root of 2190171311 is about 1298.6517206722.

The spelling of 2190171311 in words is "two billion, one hundred ninety million, one hundred seventy-one thousand, three hundred eleven".

Divisors: 1 53 113 5989 365699 19382047 41323987 2190171311