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210040240005111 = 3647108212385371
BaseRepresentation
bin101111110000011111001101…
…111001001101111111110111
31000112200122120110112101000110
4233300133031321031333313
5210012244402420130421
62022415053145314103
762145622644246225
oct5760371571157767
91015618513471013
10210040240005111
1160a1a62482183a
121b683257495933
13902792c11cbc9
1439c2005157b15
151943966ac6a76
hexbf07cde4dff7

210040240005111 has 8 divisors (see below), whose sum is σ = 280486502884224. Its totient is φ = 139810401898040.

The previous prime is 210040240005109. The next prime is 210040240005131. The reversal of 210040240005111 is 111500042040012.

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 210040240005111 - 21 = 210040240005109 is a prime.

It is a super-2 number, since 2×2100402400051112 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210040240005131) 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, 54106190745 + ... + 54106194626.

It is an arithmetic number, because the mean of its divisors is an integer number (35060812860528).

Almost surely, 2210040240005111 is an apocalyptic number.

210040240005111 is a deficient number, since it is larger than the sum of its proper divisors (70446262879113).

210040240005111 is a wasteful number, since it uses less digits than its factorization.

210040240005111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108212386021.

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 210040240005111 its reverse (111500042040012), we get a palindrome (321540282045123).

The spelling of 210040240005111 in words is "two hundred ten trillion, forty billion, two hundred forty million, five thousand, one hundred eleven".

Divisors: 1 3 647 1941 108212385371 324637156113 70013413335037 210040240005111