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530251134240 = 25355981123087
BaseRepresentation
bin1111011011101010110…
…11100011010100100000
31212200200010001120000210
413231311123203110200
532141423242243430
61043332150014120
753211055163112
oct7556533432440
91780603046023
10530251134240
11194972a3a393
1286924047340
133b0055618c9
141b942b613b2
15dbd68172b0
hex7b756e3520

530251134240 has 192 divisors, whose sum is σ = 1700769208320. Its totient is φ = 138826275840.

The previous prime is 530251134233. The next prime is 530251134241. The reversal of 530251134240 is 42431152035.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 530251134198 and 530251134207.

It is not an unprimeable number, because it can be changed into a prime (530251134241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22955977 + ... + 22979063.

It is an arithmetic number, because the mean of its divisors is an integer number (8858172960).

Almost surely, 2530251134240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 530251134240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (850384604160).

530251134240 is an abundant number, since it is smaller than the sum of its proper divisors (1170518074080).

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

530251134240 is a wasteful number, since it uses less digits than its factorization.

530251134240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23975 (or 23967 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 530251134240 its reverse (42431152035), we get a palindrome (572682286275).

The spelling of 530251134240 in words is "five hundred thirty billion, two hundred fifty-one million, one hundred thirty-four thousand, two hundred forty".