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23140442415 = 351726187509
BaseRepresentation
bin10101100011010001…
…110010000100101111
32012201200211021100210
4111203101302010233
5334342423124130
614344111553503
71446304341456
oct254321620457
965650737323
1023140442415
1198a51a3982
12459982b893
13224a1c299c
141197409b9d
159068025b0
hex56347212f

23140442415 has 48 divisors (see below), whose sum is σ = 39975968160. Its totient is φ = 11425044480.

The previous prime is 23140442387. The next prime is 23140442453. The reversal of 23140442415 is 51424404132.

It is not a de Polignac number, because 23140442415 - 25 = 23140442383 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 220681 + ... + 308189.

It is an arithmetic number, because the mean of its divisors is an integer number (832832670).

Almost surely, 223140442415 is an apocalyptic number.

23140442415 is a deficient number, since it is larger than the sum of its proper divisors (16835525745).

23140442415 is a wasteful number, since it uses less digits than its factorization.

23140442415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87612 (or 87595 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 23140442415 its reverse (51424404132), we get a palindrome (74564846547).

The spelling of 23140442415 in words is "twenty-three billion, one hundred forty million, four hundred forty-two thousand, four hundred fifteen".

Divisors: 1 3 5 15 17 51 61 85 183 255 289 305 867 915 1037 1445 3111 4335 5185 15555 17629 52887 87509 88145 262527 264435 437545 1312635 1487653 4462959 5338049 7438265 16014147 22314795 25290101 26690245 75870303 80070735 90746833 126450505 272240499 379351515 453734165 1361202495 1542696161 4628088483 7713480805 23140442415