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52445315440451 = 296733413787331
BaseRepresentation
bin10111110110010111000000…
…11001011001111101000011
320212200201112012120101010002
423323023200121121331003
523333231001223043301
6303313013441430215
714022022543624013
oct1373134031317503
9225621465511102
1052445315440451
111578aa2a3573aa
125a7030603b36b
13233575897c56b
14cd451c75bc43
1560e3529d316b
hex2fb2e0659f43

52445315440451 has 16 divisors (see below), whose sum is σ = 54350378278560. Its totient is φ = 50546737167360.

The previous prime is 52445315440433. The next prime is 52445315440471. The reversal of 52445315440451 is 15404451354425.

It is a cyclic number.

It is not a de Polignac number, because 52445315440451 - 226 = 52445248331587 is a prime.

It is a super-2 number, since 2×524453154404512 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52445315440396 and 52445315440405.

It is not an unprimeable number, because it can be changed into a prime (52445315440471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66217856 + ... + 67005186.

It is an arithmetic number, because the mean of its divisors is an integer number (3396898642410).

Almost surely, 252445315440451 is an apocalyptic number.

52445315440451 is a deficient number, since it is larger than the sum of its proper divisors (1905062838109).

52445315440451 is a wasteful number, since it uses less digits than its factorization.

52445315440451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791446.

The product of its (nonzero) digits is 3840000, while the sum is 47.

Adding to 52445315440451 its reverse (15404451354425), we get a palindrome (67849766794876).

The spelling of 52445315440451 in words is "fifty-two trillion, four hundred forty-five billion, three hundred fifteen million, four hundred forty thousand, four hundred fifty-one".

Divisors: 1 29 673 3413 19517 98977 787331 2296949 22832599 66611521 529873763 2687160703 15366339127 77927660387 1808459153119 52445315440451