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1108172548325 = 52185172393849
BaseRepresentation
bin10000001000000100001…
…110110010100011100101
310220221101110011020102202
4100020010032302203211
5121124014133021300
62205030515344245
7143030356146023
oct20100416624345
93827343136382
101108172548325
11397a78571567
1215a9308b2085
1380666cb359b
143b8c8a49713
151dc5d1d1ad5
hex102043b28e5

1108172548325 has 12 divisors (see below), whose sum is σ = 1374208743300. Its totient is φ = 886489791360.

The previous prime is 1108172548321. The next prime is 1108172548339. The reversal of 1108172548325 is 5238452718011.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 263490235969 + 844682312356 = 513313^2 + 919066^2 .

It is not a de Polignac number, because 1108172548325 - 22 = 1108172548321 is a prime.

It is a super-2 number, since 2×11081725483252 (a number of 25 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 1108172548325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1108172548321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 734000 + ... + 1659849.

It is an arithmetic number, because the mean of its divisors is an integer number (114517395275).

Almost surely, 21108172548325 is an apocalyptic number.

It is an amenable number.

1108172548325 is a deficient number, since it is larger than the sum of its proper divisors (266036194975).

1108172548325 is a wasteful number, since it uses less digits than its factorization.

1108172548325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2412376 (or 2412371 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 47.

The spelling of 1108172548325 in words is "one trillion, one hundred eight billion, one hundred seventy-two million, five hundred forty-eight thousand, three hundred twenty-five".

Divisors: 1 5 25 18517 92585 462925 2393849 11969245 59846225 44326901933 221634509665 1108172548325