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133163130 = 2354438771
BaseRepresentation
bin1111110111111…
…10100001111010
3100021120101110210
413323332201322
5233042210010
621114051550
73204603462
oct773764172
9307511423
10133163130
1169192481
1238719bb6
1321785469
1413984ba2
15ba55b20
hex7efe87a

133163130 has 16 divisors (see below), whose sum is σ = 319591584. Its totient is φ = 35510160.

The previous prime is 133163119. The next prime is 133163143. The reversal of 133163130 is 31361331.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 133163097 and 133163106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2219356 + ... + 2219415.

It is an arithmetic number, because the mean of its divisors is an integer number (19974474).

Almost surely, 2133163130 is an apocalyptic number.

133163130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133163130 is an abundant number, since it is smaller than the sum of its proper divisors (186428454).

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

133163130 is a wasteful number, since it uses less digits than its factorization.

133163130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4438781.

The product of its (nonzero) digits is 486, while the sum is 21.

The square root of 133163130 is about 11539.6330097625. The cubic root of 133163130 is about 510.6554816665.

The spelling of 133163130 in words is "one hundred thirty-three million, one hundred sixty-three thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 4438771 8877542 13316313 22193855 26632626 44387710 66581565 133163130