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3161663642 = 212923122327
BaseRepresentation
bin1011110001110011…
…0010100010011010
322011100020011011102
42330130302202122
522433341214032
61241421231402
7141230461154
oct27434624232
98140204142
103161663642
111382749765
12742a02562
133b50382b7
1421dc89ad4
15137879362
hexbc73289a

3161663642 has 8 divisors (see below), whose sum is σ = 4742901216. Its totient is φ = 1580696572.

The previous prime is 3161663629. The next prime is 3161663657. The reversal of 3161663642 is 2463661613.

3161663642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×31616636422 = 19992233970289408328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3161663596 and 3161663605.

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, 35318 + ... + 87009.

It is an arithmetic number, because the mean of its divisors is an integer number (592862652).

Almost surely, 23161663642 is an apocalyptic number.

3161663642 is a deficient number, since it is larger than the sum of its proper divisors (1581237574).

3161663642 is a wasteful number, since it uses less digits than its factorization.

3161663642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135252.

The product of its digits is 93312, while the sum is 38.

The square root of 3161663642 is about 56228.6727746619. The cubic root of 3161663642 is about 1467.7042608102.

The spelling of 3161663642 in words is "three billion, one hundred sixty-one million, six hundred sixty-three thousand, six hundred forty-two".

Divisors: 1 2 12923 25846 122327 244654 1580831821 3161663642