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3120000213 = 31194545461
BaseRepresentation
bin1011100111110111…
…0110110011010101
322001102211102200110
42321331312303111
522342210001323
61233332233233
7140213364351
oct27175666325
98042742613
103120000213
111361182380
12730a6b819
133a950b595
14218522461
15133d99793
hexb9f76cd5

3120000213 has 8 divisors (see below), whose sum is σ = 4538182176. Its totient is φ = 1890909200.

The previous prime is 3120000179. The next prime is 3120000223.

It is a happy number.

3120000213 is nontrivially palindromic in base 10.

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 3120000213 - 28 = 3119999957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120000223) 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, 47272698 + ... + 47272763.

It is an arithmetic number, because the mean of its divisors is an integer number (567272772).

Almost surely, 23120000213 is an apocalyptic number.

3120000213 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

3120000213 is a deficient number, since it is larger than the sum of its proper divisors (1418181963).

3120000213 is a wasteful number, since it uses less digits than its factorization.

3120000213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94545475.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 3120000213 is about 55856.9620817316. The cubic root of 3120000213 is about 1461.2287480649.

It can be divided in two parts, 3120000 and 213, that added together give a palindrome (3120213).

The spelling of 3120000213 in words is "three billion, one hundred twenty million, two hundred thirteen", and thus it is an aban number.

Divisors: 1 3 11 33 94545461 283636383 1040000071 3120000213