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275002527640 = 23513750182943
BaseRepresentation
bin1000000000001110110…
…11011000111110011000
3222021211101202212012111
410000013123120332120
514001201121341030
6330200122322104
725603550626231
oct4000733307630
9867741685174
10275002527640
11a669a837335
1245369959334
131cc17c9ba49
14d44b256088
157247d3a62a
hex40076d8f98

275002527640 has 32 divisors (see below), whose sum is σ = 623272164480. Its totient is φ = 109198081792.

The previous prime is 275002527637. The next prime is 275002527671. The reversal of 275002527640 is 46725200572.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 275002527593 and 275002527602.

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 7 ways as a sum of consecutive naturals, for example, 25085992 + ... + 25096951.

It is an arithmetic number, because the mean of its divisors is an integer number (19477255140).

Almost surely, 2275002527640 is an apocalyptic number.

275002527640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

275002527640 is an abundant number, since it is smaller than the sum of its proper divisors (348269636840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

275002527640 is a wasteful number, since it uses less digits than its factorization.

275002527640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50183091 (or 50183087 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 40.

The spelling of 275002527640 in words is "two hundred seventy-five billion, two million, five hundred twenty-seven thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 20 40 137 274 548 685 1096 1370 2740 5480 50182943 100365886 200731772 250914715 401463544 501829430 1003658860 2007317720 6875063191 13750126382 27500252764 34375315955 55000505528 68750631910 137501263820 275002527640