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3101201021 = 23612210407
BaseRepresentation
bin1011100011011000…
…1001001001111101
322000010110100001002
42320312021021331
522322401413041
61231421300045
7136564526252
oct27066111175
98003410032
103101201021
111351602256
12726704625
133a56588b9
14215c2b429
151323d459b
hexb8d8927d

3101201021 has 8 divisors (see below), whose sum is σ = 3289087104. Its totient is φ = 2917735920.

The previous prime is 3101201017. The next prime is 3101201023. The reversal of 3101201021 is 1201021013.

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 3101201021 - 22 = 3101201017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3101200993 and 3101201011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3101201023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1103801 + ... + 1106606.

It is an arithmetic number, because the mean of its divisors is an integer number (411135888).

Almost surely, 23101201021 is an apocalyptic number.

It is an amenable number.

3101201021 is a deficient number, since it is larger than the sum of its proper divisors (187886083).

3101201021 is a wasteful number, since it uses less digits than its factorization.

3101201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2210491.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 3101201021 is about 55688.4280708299. The cubic root of 3101201021 is about 1458.2880134930.

Adding to 3101201021 its reverse (1201021013), we get a palindrome (4302222034).

The spelling of 3101201021 in words is "three billion, one hundred one million, two hundred one thousand, twenty-one".

Divisors: 1 23 61 1403 2210407 50839361 134834827 3101201021