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2143734948 = 223267888779
BaseRepresentation
bin111111111000110…
…1100110010100100
312112101211000111200
41333301230302210
513342244004243
6552415402500
7104060306055
oct17761546244
95471730450
102143734948
11a0009a883
124b9b23430
13282191724
141649d272c
15c8305ad3
hex7fc6cca4

2143734948 has 36 divisors (see below), whose sum is σ = 5499770640. Its totient is φ = 703912176.

The previous prime is 2143734919. The next prime is 2143734949. The reversal of 2143734948 is 8494373412.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (2143734949) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 441978 + ... + 446801.

Almost surely, 22143734948 is an apocalyptic number.

It is an amenable number.

2143734948 is an abundant number, since it is smaller than the sum of its proper divisors (3356035692).

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

2143734948 is a wasteful number, since it uses less digits than its factorization.

2143734948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888856 (or 888851 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 2143734948 is about 46300.4853970236. The cubic root of 2143734948 is about 1289.4080067189.

The spelling of 2143734948 in words is "two billion, one hundred forty-three million, seven hundred thirty-four thousand, nine hundred forty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 67 134 201 268 402 603 804 1206 2412 888779 1777558 2666337 3555116 5332674 7999011 10665348 15998022 31996044 59548193 119096386 178644579 238192772 357289158 535933737 714578316 1071867474 2143734948