Search a number
-
+
2111002160072 = 231347431874419
BaseRepresentation
bin11110101110000001100…
…010001010101111001000
321110210212100222211111212
4132232001202022233020
5234041313023110242
64253440410312252
7305341413204011
oct36560142125710
97423770884455
102111002160072
117442a875a663
122a1162428688
131240b35766b0
147425cbc4008
1539da3081782
hex1eb8188abc8

2111002160072 has 32 divisors (see below), whose sum is σ = 4353294153600. Its totient is φ = 953578714944.

The previous prime is 2111002159967. The next prime is 2111002160077. The reversal of 2111002160072 is 2700612001112.

It is a super-2 number, since 2×21110021600722 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2111002160077) 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 7 ways as a sum of consecutive naturals, for example, 215932322 + ... + 215942097.

It is an arithmetic number, because the mean of its divisors is an integer number (136040442300).

Almost surely, 22111002160072 is an apocalyptic number.

It is an amenable number.

2111002160072 is an abundant number, since it is smaller than the sum of its proper divisors (2242291993528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2111002160072 is a wasteful number, since it uses less digits than its factorization.

2111002160072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431874485 (or 431874481 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 23.

Adding to 2111002160072 its reverse (2700612001112), we get a palindrome (4811614161184).

The spelling of 2111002160072 in words is "two trillion, one hundred eleven billion, two million, one hundred sixty thousand, seventy-two".

Divisors: 1 2 4 8 13 26 47 52 94 104 188 376 611 1222 2444 4888 431874419 863748838 1727497676 3454995352 5614367447 11228734894 20298097693 22457469788 40596195386 44914939576 81192390772 162384781544 263875270009 527750540018 1055501080036 2111002160072