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2211320013 = 37919911447
BaseRepresentation
bin1000001111001110…
…0001000011001101
312201002222200210020
42003303201003031
514012044220023
61003232132353
7105540624060
oct20363410315
95632880706
102211320013
11a35261501
125186970b9
13293195ca6
1416d9868d7
15ce205de3
hex83ce10cd

2211320013 has 16 divisors (see below), whose sum is σ = 3370291200. Its totient is φ = 1263363696.

The previous prime is 2211320011. The next prime is 2211320051. The reversal of 2211320013 is 3100231122.

It is not a de Polignac number, because 2211320013 - 21 = 2211320011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2211319974 and 2211320001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211320011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187456 + ... + 198902.

It is an arithmetic number, because the mean of its divisors is an integer number (210643200).

Almost surely, 22211320013 is an apocalyptic number.

It is an amenable number.

2211320013 is a deficient number, since it is larger than the sum of its proper divisors (1158971187).

2211320013 is a wasteful number, since it uses less digits than its factorization.

2211320013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20656.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2211320013 is about 47024.6745124302. The cubic root of 2211320013 is about 1302.8183456866.

Adding to 2211320013 its reverse (3100231122), we get a palindrome (5311551135).

The spelling of 2211320013 in words is "two billion, two hundred eleven million, three hundred twenty thousand, thirteen".

Divisors: 1 3 7 21 9199 11447 27597 34341 64393 80129 193179 240387 105300953 315902859 737106671 2211320013