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135571826980 = 22523579150893
BaseRepresentation
bin111111001000010110…
…1011110100100100100
3110221221020022101100001
41332100231132210210
54210122341430410
6142140354431044
712536411341612
oct1762055364444
9427836271301
10135571826980
115254a842217
1222336892484
13ca27346785
1467c149c6b2
1537d70c033a
hex1f90b5e924

135571826980 has 48 divisors (see below), whose sum is σ = 297136272384. Its totient is φ = 51860983680.

The previous prime is 135571826969. The next prime is 135571826981. The reversal of 135571826980 is 89628175531.

It is not an unprimeable number, because it can be changed into a prime (135571826981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2638414 + ... + 2689306.

It is an arithmetic number, because the mean of its divisors is an integer number (6190339008).

Almost surely, 2135571826980 is an apocalyptic number.

135571826980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135571826980 is an abundant number, since it is smaller than the sum of its proper divisors (161564445404).

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

135571826980 is a wasteful number, since it uses less digits than its factorization.

135571826980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56716 (or 56714 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 55.

The spelling of 135571826980 in words is "one hundred thirty-five billion, five hundred seventy-one million, eight hundred twenty-six thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 5791 11582 23164 28955 50893 57910 101786 115820 133193 203572 254465 266386 508930 532772 665965 1017860 1170539 1331930 2341078 2663860 4682156 5852695 11705390 23410780 294721363 589442726 1178885452 1473606815 2947213630 5894427260 6778591349 13557182698 27114365396 33892956745 67785913490 135571826980