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3121252241 = 17883207931
BaseRepresentation
bin1011101000001010…
…1000011110010001
322001112012001010212
42322002220132101
522343020032431
61233415133505
7140230130522
oct27202503621
98045161125
103121252241
111361958008
12731374295
133a9859423
1421876a849
1513404572b
hexba0a8791

3121252241 has 8 divisors (see below), whose sum is σ = 3308613984. Its totient is φ = 2934308160.

The previous prime is 3121252217. The next prime is 3121252247. The reversal of 3121252241 is 1422521213.

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

It is a cyclic number.

It is not a de Polignac number, because 3121252241 - 230 = 2047510417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3121252247) 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, 88955 + ... + 118976.

It is an arithmetic number, because the mean of its divisors is an integer number (413576748).

Almost surely, 23121252241 is an apocalyptic number.

It is an amenable number.

3121252241 is a deficient number, since it is larger than the sum of its proper divisors (187361743).

3121252241 is a wasteful number, since it uses less digits than its factorization.

3121252241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208831.

The product of its digits is 960, while the sum is 23.

The square root of 3121252241 is about 55868.1684056315. The cubic root of 3121252241 is about 1461.4241812397.

Adding to 3121252241 its reverse (1422521213), we get a palindrome (4543773454).

The spelling of 3121252241 in words is "three billion, one hundred twenty-one million, two hundred fifty-two thousand, two hundred forty-one".

Divisors: 1 17 883 15011 207931 3534827 183603073 3121252241