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133142122 = 2619910739
BaseRepresentation
bin1111110111110…
…01011001101010
3100021112022122201
413323321121222
5233041021442
621113410414
73204455311
oct773713152
9307468581
10133142122
1169178713
1238709a0a
1321778a29
141397b278
15ba4e7b7
hex7ef966a

133142122 has 8 divisors (see below), whose sum is σ = 199764000. Its totient is φ = 66554124.

The previous prime is 133142081. The next prime is 133142143. The reversal of 133142122 is 221241331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 133142122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7029 + ... + 17767.

It is an arithmetic number, because the mean of its divisors is an integer number (24970500).

Almost surely, 2133142122 is an apocalyptic number.

133142122 is a deficient number, since it is larger than the sum of its proper divisors (66621878).

133142122 is a wasteful number, since it uses less digits than its factorization.

133142122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16940.

The product of its digits is 288, while the sum is 19.

The square root of 133142122 is about 11538.7227196081. The cubic root of 133142122 is about 510.6286263486.

Adding to 133142122 its reverse (221241331), we get a palindrome (354383453).

The spelling of 133142122 in words is "one hundred thirty-three million, one hundred forty-two thousand, one hundred twenty-two".

Divisors: 1 2 6199 10739 12398 21478 66571061 133142122