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425455240145105 = 51728137946999087
BaseRepresentation
bin110000010111100110000010…
…0011101001110100011010001
32001210102010100012111020112202
41200233030010131032203101
5421231124312434120410
64104511234501532545
7155421061320056222
oct14057140435164321
92053363305436482
10425455240145105
11113621610515175
123b8740ab114155
1315352345804571
14770c201a75249
15342c101a14ca5
hex182f30474e8d1

425455240145105 has 32 divisors (see below), whose sum is σ = 543933605168640. Its totient is φ = 318360528783360.

The previous prime is 425455240145087. The next prime is 425455240145153. The reversal of 425455240145105 is 501541042554524.

It is not a de Polignac number, because 425455240145105 - 28 = 425455240144849 is a prime.

It is a super-2 number, since 2×4254552401451052 (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 425455240145105.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14447129 + ... + 32551958.

It is an arithmetic number, because the mean of its divisors is an integer number (16997925161520).

Almost surely, 2425455240145105 is an apocalyptic number.

It is an amenable number.

425455240145105 is a deficient number, since it is larger than the sum of its proper divisors (118478365023535).

425455240145105 is a wasteful number, since it uses less digits than its factorization.

425455240145105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46999769.

The product of its (nonzero) digits is 3200000, while the sum is 47.

Adding to 425455240145105 its reverse (501541042554524), we get a palindrome (926996282699629).

The spelling of 425455240145105 in words is "four hundred twenty-five trillion, four hundred fifty-five billion, two hundred forty million, one hundred forty-five thousand, one hundred five".

Divisors: 1 5 17 85 281 379 1405 1895 4777 6443 23885 32215 106499 532495 1810483 9052415 46999087 234995435 798984479 3994922395 13206743447 17812653973 66033717235 89063269865 224514638599 302815117541 1122573192995 1514075587705 5005355766413 25026778832065 85091048029021 425455240145105