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133113030 = 23513133871
BaseRepresentation
bin1111110111100…
…10010011000110
3100021110211202020
413323302103012
5233034104110
621113024010
73204304431
oct773622306
9307424666
10133113030
1169158876
12386b5006
132176870b
1413970818
15ba45d70
hex7ef24c6

133113030 has 32 divisors (see below), whose sum is σ = 321919488. Its totient is φ = 35224800.

The previous prime is 133113023. The next prime is 133113049. The reversal of 133113030 is 30311331.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 13006 + ... + 20865.

It is an arithmetic number, because the mean of its divisors is an integer number (10059984).

Almost surely, 2133113030 is an apocalyptic number.

133113030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133113030 is an abundant number, since it is smaller than the sum of its proper divisors (188806458).

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

133113030 is a wasteful number, since it uses less digits than its factorization.

133113030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34012.

The product of its (nonzero) digits is 81, while the sum is 15.

The square root of 133113030 is about 11537.4620259397. The cubic root of 133113030 is about 510.5914322839.

Adding to 133113030 its reverse (30311331), we get a palindrome (163424361).

The spelling of 133113030 in words is "one hundred thirty-three million, one hundred thirteen thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 131 262 393 655 786 1310 1965 3930 33871 67742 101613 169355 203226 338710 508065 1016130 4437101 8874202 13311303 22185505 26622606 44371010 66556515 133113030