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10531202040 = 2335567103157
BaseRepresentation
bin10011100111011010…
…10110001111111000
31000011221022111100000
421303231112033320
5133031441431130
64501000113000
7521654511642
oct116355261770
930157274300
1010531202040
114514652a67
12205aa65760
13cbaa786c8
1471c91b892
1541983b260
hex273b563f8

10531202040 has 384 divisors, whose sum is σ = 36605237760. Its totient is φ = 2722097664.

The previous prime is 10531201979. The next prime is 10531202051. The reversal of 10531202040 is 4020213501.

It is a super-2 number, since 2×105312020402 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 67077642 + ... + 67077798.

It is an arithmetic number, because the mean of its divisors is an integer number (95326140).

Almost surely, 210531202040 is an apocalyptic number.

10531202040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10531202040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18302618880).

10531202040 is an abundant number, since it is smaller than the sum of its proper divisors (26074035720).

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

10531202040 is a wasteful number, since it uses less digits than its factorization.

10531202040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353 (or 337 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 10531202040 its reverse (4020213501), we get a palindrome (14551415541).

The spelling of 10531202040 in words is "ten billion, five hundred thirty-one million, two hundred two thousand, forty".