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2160231423 = 37680315121
BaseRepresentation
bin1000000011000010…
…1000001111111111
312120112212010102020
42000300220033333
513411004401143
6554205131223
7104350443540
oct20060501777
95515763366
102160231423
11a09437929
12503559b13
1328571925c
14166c884c7
15c99b3883
hex80c283ff

2160231423 has 16 divisors (see below), whose sum is σ = 3292482816. Its totient is φ = 1234154880.

The previous prime is 2160231397. The next prime is 2160231427. The reversal of 2160231423 is 3241320612.

It is not a de Polignac number, because 2160231423 - 210 = 2160230399 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2160231393 and 2160231402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2160231427) 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, 135303 + ... + 150423.

It is an arithmetic number, because the mean of its divisors is an integer number (205780176).

Almost surely, 22160231423 is an apocalyptic number.

2160231423 is a deficient number, since it is larger than the sum of its proper divisors (1132251393).

2160231423 is a wasteful number, since it uses less digits than its factorization.

2160231423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21934.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 2160231423 is about 46478.2898028746. The cubic root of 2160231423 is about 1292.7069777167.

The spelling of 2160231423 in words is "two billion, one hundred sixty million, two hundred thirty-one thousand, four hundred twenty-three".

Divisors: 1 3 7 21 6803 15121 20409 45363 47621 105847 142863 317541 102868163 308604489 720077141 2160231423