Search a number
-
+
3121010099 = 5373806671
BaseRepresentation
bin1011101000000110…
…1101010110110011
322001111201201222122
42322001231112303
522342434310344
61233410024455
7140225101544
oct27201552663
98044651878
103121010099
111361802099
1273127812b
133a97a314c
142187064cb
15133ee8aee
hexba06d5b3

3121010099 has 8 divisors (see below), whose sum is σ = 3223461312. Its totient is φ = 3020172480.

The previous prime is 3121010041. The next prime is 3121010117. The reversal of 3121010099 is 9900101213.

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 3121010099 - 224 = 3104232883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3121013099) 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, 399467 + ... + 407204.

It is an arithmetic number, because the mean of its divisors is an integer number (402932664).

Almost surely, 23121010099 is an apocalyptic number.

3121010099 is a deficient number, since it is larger than the sum of its proper divisors (102451213).

3121010099 is an equidigital number, since it uses as much as digits as its factorization.

3121010099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806797.

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 3121010099 is about 55866.0012798482. The cubic root of 3121010099 is about 1461.3863885742.

The spelling of 3121010099 in words is "three billion, one hundred twenty-one million, ten thousand, ninety-nine".

Divisors: 1 53 73 3869 806671 42753563 58886983 3121010099