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3133611380 = 225167938207
BaseRepresentation
bin1011101011000111…
…0001110101110100
322002101102221200202
42322301301311310
522404201031010
61234540100032
7140440154144
oct27261616564
98071387622
103133611380
111368929679
12735534618
133ac295a23
1421a266924
151351876a5
hexbac71d74

3133611380 has 24 divisors (see below), whose sum is σ = 6619995648. Its totient is φ = 1245937568.

The previous prime is 3133611329. The next prime is 3133611389. The reversal of 3133611380 is 831163313.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3133611389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465764 + ... + 472443.

It is an arithmetic number, because the mean of its divisors is an integer number (275833152).

Almost surely, 23133611380 is an apocalyptic number.

It is an amenable number.

3133611380 is an abundant number, since it is smaller than the sum of its proper divisors (3486384268).

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

3133611380 is a wasteful number, since it uses less digits than its factorization.

3133611380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938383 (or 938381 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 3133611380 is about 55978.6689731008. The cubic root of 3133611380 is about 1463.3505616053.

Adding to 3133611380 its reverse (831163313), we get a palindrome (3964774693).

The spelling of 3133611380 in words is "three billion, one hundred thirty-three million, six hundred eleven thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 167 334 668 835 1670 3340 938207 1876414 3752828 4691035 9382070 18764140 156680569 313361138 626722276 783402845 1566805690 3133611380