Search a number
-
+
30120202103 = 211929315361
BaseRepresentation
bin11100000011010011…
…011100111101110111
32212202010110210122212
4130003103130331313
5443141232431403
621500444244035
72114256331205
oct340323347567
985663423585
1030120202103
1111857083712
125a0724061b
132ac025ccc4
14165a3b8075
15bb446e4d8
hex7034dcf77

30120202103 has 8 divisors (see below), whose sum is σ = 30268178736. Its totient is φ = 29972275200.

The previous prime is 30120202031. The next prime is 30120202139.

It is a happy number.

30120202103 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 30120202103 - 28 = 30120201847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30120202163) 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, 1953143 + ... + 1968503.

It is an arithmetic number, because the mean of its divisors is an integer number (3783522342).

Almost surely, 230120202103 is an apocalyptic number.

30120202103 is a deficient number, since it is larger than the sum of its proper divisors (147976633).

30120202103 is a wasteful number, since it uses less digits than its factorization.

30120202103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24865.

The product of its (nonzero) digits is 72, while the sum is 14.

The spelling of 30120202103 in words is "thirty billion, one hundred twenty million, two hundred two thousand, one hundred three".

Divisors: 1 211 9293 15361 1960823 3241171 142749773 30120202103