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2148936383 = 11195357853
BaseRepresentation
bin1000000000010110…
…0010101010111111
312112202121021112102
42000011202222333
513400111431013
6553123055315
7104152441436
oct20005425277
95482537472
102148936383
11a03022790
124bb81153b
132832930b9
1416558811d
15c89d1d58
hex80162abf

2148936383 has 4 divisors (see below), whose sum is σ = 2344294248. Its totient is φ = 1953578520.

The previous prime is 2148936373. The next prime is 2148936389. The reversal of 2148936383 is 3836398412.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2148936383 - 24 = 2148936367 is a prime.

It is a super-2 number, since 2×21489363832 = 9235855156362245378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2148936389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97678916 + ... + 97678937.

It is an arithmetic number, because the mean of its divisors is an integer number (586073562).

Almost surely, 22148936383 is an apocalyptic number.

2148936383 is a deficient number, since it is larger than the sum of its proper divisors (195357865).

2148936383 is a wasteful number, since it uses less digits than its factorization.

2148936383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195357864.

The product of its digits is 746496, while the sum is 47.

The square root of 2148936383 is about 46356.6217815751. The cubic root of 2148936383 is about 1290.4500128576.

The spelling of 2148936383 in words is "two billion, one hundred forty-eight million, nine hundred thirty-six thousand, three hundred eighty-three".

Divisors: 1 11 195357853 2148936383