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2115422043 = 37893972851
BaseRepresentation
bin111111000010110…
…1100011101011011
312110102112120111120
41332011230131123
513313022001133
6545524500323
7103264535130
oct17605543533
95412476446
102115422043
11996111989
124b054a6a3
1327935a627
14160d42587
15c5ab1ab3
hex7e16c75b

2115422043 has 32 divisors (see below), whose sum is σ = 3269076480. Its totient is φ = 1191801600.

The previous prime is 2115422011. The next prime is 2115422063. The reversal of 2115422043 is 3402245112.

It is not a de Polignac number, because 2115422043 - 25 = 2115422011 is a prime.

It is a super-3 number, since 3×21154220433 (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2115422003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 740568 + ... + 743418.

It is an arithmetic number, because the mean of its divisors is an integer number (102158640).

Almost surely, 22115422043 is an apocalyptic number.

2115422043 is a deficient number, since it is larger than the sum of its proper divisors (1153654437).

2115422043 is a wasteful number, since it uses less digits than its factorization.

2115422043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3347.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2115422043 is about 45993.7174296664. The cubic root of 2115422043 is about 1283.7063075964.

Adding to 2115422043 its reverse (3402245112), we get a palindrome (5517667155).

The spelling of 2115422043 in words is "two billion, one hundred fifteen million, four hundred twenty-two thousand, forty-three".

Divisors: 1 3 7 21 89 267 397 623 1191 1869 2779 2851 8337 8553 19957 35333 59871 105999 247331 253739 741993 761217 1131847 1776173 3395541 5328519 7922929 23768787 100734383 302203149 705140681 2115422043