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52001604603445 = 572829256033109
BaseRepresentation
bin10111101001011100100010…
…01010111000111000110101
320211010022020020100102020011
423310232101022320320311
523303443241234302240
6302333112442340221
713644664145011300
oct1364562112707065
9224108206312204
1052001604603445
1115629836135222
1259ba3141ba671
132302965542533
14cbac69229b37
15602a3394a6ea
hex2f4b912b8e35

52001604603445 has 24 divisors (see below), whose sum is σ = 72677558604600. Its totient is φ = 35615229455232.

The previous prime is 52001604603401. The next prime is 52001604603449. The reversal of 52001604603445 is 54430640610025.

It can be written as a sum of positive squares in 4 ways, for example, as 12927828789841 + 39073775813604 = 3595529^2 + 6250902^2 .

It is not a de Polignac number, because 52001604603445 - 225 = 52001571049013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52001604603398 and 52001604603407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52001604603449) 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, 127813450 + ... + 128219659.

It is an arithmetic number, because the mean of its divisors is an integer number (3028231608525).

Almost surely, 252001604603445 is an apocalyptic number.

It is an amenable number.

52001604603445 is a deficient number, since it is larger than the sum of its proper divisors (20675954001155).

52001604603445 is a wasteful number, since it uses less digits than its factorization.

52001604603445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256033957 (or 256033950 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 52001604603445 in words is "fifty-two trillion, one billion, six hundred four million, six hundred three thousand, four hundred forty-five".