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40223036161 = 731110660757
BaseRepresentation
bin100101011101011110…
…101101001100000001
310211211012201221121001
4211131132231030001
51124334044124121
630251143132001
72622523111000
oct453536551401
9124735657531
1040223036161
1116070945450
127966744001
133a40343c19
141d38068c37
1510a6391991
hex95d7ad301

40223036161 has 16 divisors (see below), whose sum is σ = 51171638400. Its totient is φ = 31342622640.

The previous prime is 40223036153. The next prime is 40223036177. The reversal of 40223036161 is 16163032204.

40223036161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40223036161 - 23 = 40223036153 is a prime.

It is a super-2 number, since 2×402230361612 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40223030161) 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, 5326606 + ... + 5334151.

It is an arithmetic number, because the mean of its divisors is an integer number (3198227400).

Almost surely, 240223036161 is an apocalyptic number.

It is an amenable number.

40223036161 is a deficient number, since it is larger than the sum of its proper divisors (10948602239).

40223036161 is a wasteful number, since it uses less digits than its factorization.

40223036161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10660789 (or 10660775 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 40223036161 its reverse (16163032204), we get a palindrome (56386068365).

The spelling of 40223036161 in words is "forty billion, two hundred twenty-three million, thirty-six thousand, one hundred sixty-one".

Divisors: 1 7 11 49 77 343 539 3773 10660757 74625299 117268327 522377093 820878289 3656639651 5746148023 40223036161