Search a number
-
+
40012022401 = 132439539311
BaseRepresentation
bin100101010000111001…
…110000001010000001
310211021111200100010121
4211100321300022001
51123421034204101
630214204300241
72614351402351
oct452071601201
9124244610117
1040012022401
1115a7281a70a
127907b41681
133a08701800
141d1801ab61
151092aae0a1
hex950e70281

40012022401 has 12 divisors (see below), whose sum is σ = 43425402240. Its totient is φ = 36849973680.

The previous prime is 40012022383. The next prime is 40012022437. The reversal of 40012022401 is 10422021004.

It is not a de Polignac number, because 40012022401 - 211 = 40012020353 is a prime.

It is a super-3 number, since 3×400120224013 (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40012022101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 195465 + ... + 343846.

It is an arithmetic number, because the mean of its divisors is an integer number (3618783520).

Almost surely, 240012022401 is an apocalyptic number.

It is an amenable number.

40012022401 is a deficient number, since it is larger than the sum of its proper divisors (3413379839).

40012022401 is a wasteful number, since it uses less digits than its factorization.

40012022401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539776 (or 539763 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 40012022401 its reverse (10422021004), we get a palindrome (50434043405).

The spelling of 40012022401 in words is "forty billion, twelve million, twenty-two thousand, four hundred one".

Divisors: 1 13 169 439 5707 74191 539311 7011043 91143559 236757529 3077847877 40012022401