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12234254652 = 2232339840407
BaseRepresentation
bin10110110010011011…
…11110100100111100
31011120121220112022200
423121031332210330
5200023432122102
65341554311500
7612114306624
oct133115764474
934517815280
1012234254652
115208a10664
122455288590
1311cc853549
14840b99884
154b90e451c
hex2d937e93c

12234254652 has 18 divisors (see below), whose sum is σ = 30925477128. Its totient is φ = 4078084872.

The previous prime is 12234254639. The next prime is 12234254671. The reversal of 12234254652 is 25645243221.

12234254652 is a `hidden beast` number, since 1 + 2 + 23 + 42 + 546 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×122342546522 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 339840407 = 12234254652 / (1 + 2 + 2 + 3 + 4 + 2 + 5 + 4 + 6 + 5 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 169920168 + ... + 169920239.

Almost surely, 212234254652 is an apocalyptic number.

12234254652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12234254652 is an abundant number, since it is smaller than the sum of its proper divisors (18691222476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12234254652 is a wasteful number, since it uses less digits than its factorization.

12234254652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339840417 (or 339840412 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

Adding to 12234254652 its reverse (25645243221), we get a palindrome (37879497873).

The spelling of 12234254652 in words is "twelve billion, two hundred thirty-four million, two hundred fifty-four thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 339840407 679680814 1019521221 1359361628 2039042442 3058563663 4078084884 6117127326 12234254652