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530251121140 = 2251317119966317
BaseRepresentation
bin1111011011101010110…
…11100000000111110100
31212200200010000220001121
413231311123200013310
532141423241334030
61043332145433324
753211055106656
oct7556533400764
91780603026047
10530251121140
11194972a30564
128692403b844
133b005558960
141b942b5a6d6
15dbd681347a
hex7b756e01f4

530251121140 has 48 divisors (see below), whose sum is σ = 1269723509712. Its totient is φ = 184268261376.

The previous prime is 530251121131. The next prime is 530251121219. The reversal of 530251121140 is 41121152035.

It can be written as a sum of positive squares in 8 ways, for example, as 5672499856 + 524578621284 = 75316^2 + 724278^2 .

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, 59978739 + ... + 59987578.

It is an arithmetic number, because the mean of its divisors is an integer number (26452573119).

Almost surely, 2530251121140 is an apocalyptic number.

It is an amenable number.

530251121140 is an abundant number, since it is smaller than the sum of its proper divisors (739472388572).

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

530251121140 is a wasteful number, since it uses less digits than its factorization.

530251121140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119966356 (or 119966354 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 530251121140 its reverse (41121152035), we get a palindrome (571372273175).

The spelling of 530251121140 in words is "five hundred thirty billion, two hundred fifty-one million, one hundred twenty-one thousand, one hundred forty".

Divisors: 1 2 4 5 10 13 17 20 26 34 52 65 68 85 130 170 221 260 340 442 884 1105 2210 4420 119966317 239932634 479865268 599831585 1199663170 1559562121 2039427389 2399326340 3119124242 4078854778 6238248484 7797810605 8157709556 10197136945 15595621210 20394273890 26512556057 31191242420 40788547780 53025112114 106050224228 132562780285 265125560570 530251121140