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1013113530 = 23251113223353
BaseRepresentation
bin111100011000101…
…110001010111010
32121121100111111100
4330120232022322
54033324113110
6244310312230
734051215522
oct7430561272
92547314440
101013113530
1147a970210
12243358676
13131b7bc80
14987a2682
155de21bc0
hex3c62e2ba

1013113530 has 192 divisors, whose sum is σ = 3117284352. Its totient is φ = 225054720.

The previous prime is 1013113501. The next prime is 1013113531. The reversal of 1013113530 is 353113101.

1013113530 is a `hidden beast` number, since 1 + 0 + 1 + 311 + 353 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (1013113531) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2869834 + ... + 2870186.

It is an arithmetic number, because the mean of its divisors is an integer number (16235856).

Almost surely, 21013113530 is an apocalyptic number.

1013113530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1013113530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1558642176).

1013113530 is an abundant number, since it is smaller than the sum of its proper divisors (2104170822).

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

1013113530 is a wasteful number, since it uses less digits than its factorization.

1013113530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613 (or 610 counting only the distinct ones).

The product of its (nonzero) digits is 135, while the sum is 18.

The square root of 1013113530 is about 31829.4443872337. Note that the first 3 decimals coincide. The cubic root of 1013113530 is about 1004.3522074773.

Adding to 1013113530 its reverse (353113101), we get a palindrome (1366226631).

The spelling of 1013113530 in words is "one billion, thirteen million, one hundred thirteen thousand, five hundred thirty".