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40013245111 = 721942978781
BaseRepresentation
bin100101010000111110…
…011010101010110111
310211021120222110101011
4211100332122222313
51123421342320421
630214250413051
72614364654200
oct452076325267
9124246873334
1040013245111
1115a73485314
127908431187
133a08a3c1c8
141d182585a7
151092c514e1
hex950f9aab7

40013245111 has 12 divisors (see below), whose sum is σ = 48995811480. Its totient is φ = 32491957680.

The previous prime is 40013245099. The next prime is 40013245189. The reversal of 40013245111 is 11154231004.

It is not a de Polignac number, because 40013245111 - 211 = 40013243063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40013245511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21488460 + ... + 21490321.

It is an arithmetic number, because the mean of its divisors is an integer number (4082984290).

Almost surely, 240013245111 is an apocalyptic number.

40013245111 is a deficient number, since it is larger than the sum of its proper divisors (8982566369).

40013245111 is a wasteful number, since it uses less digits than its factorization.

40013245111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42978814 (or 42978807 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 40013245111 its reverse (11154231004), we get a palindrome (51167476115).

The spelling of 40013245111 in words is "forty billion, thirteen million, two hundred forty-five thousand, one hundred eleven".

Divisors: 1 7 19 49 133 931 42978781 300851467 816596839 2105960269 5716177873 40013245111