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1012240431 = 324110326633
BaseRepresentation
bin111100010101011…
…001000000101111
32121112201010211100
4330111121000233
54033113143211
6244235454143
734040621166
oct7425310057
92545633740
101012240431
1147a424244
12242bb7353
13131934747
14986163dd
155dced156
hex3c55902f

1012240431 has 24 divisors (see below), whose sum is σ = 1512385056. Its totient is φ = 651951360.

The previous prime is 1012240421. The next prime is 1012240433. The reversal of 1012240431 is 1340422101.

1012240431 is a `hidden beast` number, since 10 + 1 + 224 + 0 + 431 = 666.

1012240431 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 1012240431 - 215 = 1012207663 is a prime.

It is a super-2 number, since 2×10122404312 = 2049261380302131522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012240433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24691 + ... + 51323.

It is an arithmetic number, because the mean of its divisors is an integer number (63016044).

Almost surely, 21012240431 is an apocalyptic number.

1012240431 is a deficient number, since it is larger than the sum of its proper divisors (500144625).

1012240431 is a wasteful number, since it uses less digits than its factorization.

1012240431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26783 (or 26780 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1012240431 is about 31815.7261586153. The cubic root of 1012240431 is about 1004.0636083862.

Adding to 1012240431 its reverse (1340422101), we get a palindrome (2352662532).

The spelling of 1012240431 in words is "one billion, twelve million, two hundred forty thousand, four hundred thirty-one".

Divisors: 1 3 9 41 103 123 309 369 927 4223 12669 26633 38007 79899 239697 1091953 2743199 3275859 8229597 9827577 24688791 112471159 337413477 1012240431