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2220140031 = 3740046677
BaseRepresentation
bin1000010001010100…
…1010010111111111
312201201120210120120
42010111022113333
514021323440111
61004145150023
7106005610314
oct20425122777
95651523516
102220140031
11a3a23607a
1251b62b313
13294c63735
14170c00d0b
15ced99406
hex8454a5ff

2220140031 has 4 divisors (see below), whose sum is σ = 2960186712. Its totient is φ = 1480093352.

The previous prime is 2220140023. The next prime is 2220140053. The reversal of 2220140031 is 1300410222.

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 2220140031 - 23 = 2220140023 is a prime.

It is a super-2 number, since 2×22201400312 = 9858043514497361922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220140831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370023336 + ... + 370023341.

It is an arithmetic number, because the mean of its divisors is an integer number (740046678).

Almost surely, 22220140031 is an apocalyptic number.

2220140031 is a deficient number, since it is larger than the sum of its proper divisors (740046681).

2220140031 is an equidigital number, since it uses as much as digits as its factorization.

2220140031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740046680.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2220140031 is about 47118.3619303558. The cubic root of 2220140031 is about 1304.5481778740.

Adding to 2220140031 its reverse (1300410222), we get a palindrome (3520550253).

The spelling of 2220140031 in words is "two billion, two hundred twenty million, one hundred forty thousand, thirty-one".

Divisors: 1 3 740046677 2220140031