Search a number
-
+
2111253433 = 79137195071
BaseRepresentation
bin111110111010111…
…0010101110111001
312110010200210020121
41331311302232321
513310440102213
6545255253241
7103214233552
oct17565625671
95403623217
102111253433
11993824a53
124ab07a221
1327852b0b3
14160579329
15c553b88d
hex7dd72bb9

2111253433 has 8 divisors (see below), whose sum is σ = 2153594880. Its totient is φ = 2069302560.

The previous prime is 2111253383. The next prime is 2111253437. The reversal of 2111253433 is 3343521112.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2111253433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2111253398 and 2111253407.

It is not an unprimeable number, because it can be changed into a prime (2111253437) 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, 86713 + ... + 108358.

It is an arithmetic number, because the mean of its divisors is an integer number (269199360).

Almost surely, 22111253433 is an apocalyptic number.

It is an amenable number.

2111253433 is a deficient number, since it is larger than the sum of its proper divisors (42341447).

2111253433 is a wasteful number, since it uses less digits than its factorization.

2111253433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195287.

The product of its digits is 2160, while the sum is 25.

The square root of 2111253433 is about 45948.3779147861. The cubic root of 2111253433 is about 1282.8625374594.

Adding to 2111253433 its reverse (3343521112), we get a palindrome (5454774545).

The spelling of 2111253433 in words is "two billion, one hundred eleven million, two hundred fifty-three thousand, four hundred thirty-three".

Divisors: 1 79 137 10823 195071 15410609 26724727 2111253433