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531250313534140 = 225488911839458917
BaseRepresentation
bin111100011001010110101101…
…0001110011001101010111100
32120200000000220202202212111111
41320302231122032121222330
51024113001120231043030
65121513005211131404
7216620366004261454
oct17062553216315274
92520000822685444
10531250313534140
111442aaaa1360892
124b6bba53143b64
1319a578c70b67c5
14952891c158d64
15416408e53b62a
hex1e32b5a399abc

531250313534140 has 48 divisors (see below), whose sum is σ = 1115950533465600. Its totient is φ = 212438252063232.

The previous prime is 531250313534123. The next prime is 531250313534159. The reversal of 531250313534140 is 41435313052135.

It is a junction number, because it is equal to n+sod(n) for n = 531250313534093 and 531250313534102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1157387962 + ... + 1157846878.

It is an arithmetic number, because the mean of its divisors is an integer number (23248969447200).

Almost surely, 2531250313534140 is an apocalyptic number.

It is an amenable number.

531250313534140 is an abundant number, since it is smaller than the sum of its proper divisors (584700219931460).

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

531250313534140 is a wasteful number, since it uses less digits than its factorization.

531250313534140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475654 (or 475652 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 40.

Adding to 531250313534140 its reverse (41435313052135), we get a palindrome (572685626586275).

The spelling of 531250313534140 in words is "five hundred thirty-one trillion, two hundred fifty billion, three hundred thirteen million, five hundred thirty-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 4889 9778 11839 19556 23678 24445 47356 48890 59195 97780 118390 236780 458917 917834 1835668 2294585 4589170 9178340 57880871 115761742 231523484 289404355 578808710 1157617420 2243645213 4487290426 5433118363 8974580852 10866236726 11218226065 21732473452 22436452130 27165591815 44872904260 54331183630 108662367260 26562515676707 53125031353414 106250062706828 132812578383535 265625156767070 531250313534140