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22787270005 = 539711479733
BaseRepresentation
bin10101001110001110…
…100010010101110101
32011211002021020220011
4111032032202111311
5333132020120010
614245054140221
71434455412343
oct251616422565
964732236804
1022787270005
119733902255
1244bb4b1671
1321c1c98826
141162554993
158d57dda8a
hex54e3a2575

22787270005 has 8 divisors (see below), whose sum is σ = 27413604792. Its totient is φ = 18183895488.

The previous prime is 22787270003. The next prime is 22787270071. The reversal of 22787270005 is 50007278722.

It can be written as a sum of positive squares in 4 ways, for example, as 6135432241 + 16651837764 = 78329^2 + 129042^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 22787270005 - 21 = 22787270003 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22787270005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22787270003) 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, 5737882 + ... + 5741851.

It is an arithmetic number, because the mean of its divisors is an integer number (3426700599).

Almost surely, 222787270005 is an apocalyptic number.

It is an amenable number.

22787270005 is a deficient number, since it is larger than the sum of its proper divisors (4626334787).

22787270005 is a wasteful number, since it uses less digits than its factorization.

22787270005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11480135.

The product of its (nonzero) digits is 109760, while the sum is 40.

The spelling of 22787270005 in words is "twenty-two billion, seven hundred eighty-seven million, two hundred seventy thousand, five".

Divisors: 1 5 397 1985 11479733 57398665 4557454001 22787270005