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30121001103 = 313217759653
BaseRepresentation
bin11100000011010110…
…100000000010001111
32212202011222101200110
4130003112200002033
5443141434013403
621500513331103
72114266166514
oct340326400217
985664871613
1030121001103
1111857579a46
125a07566a93
132ac047c89b
14165a54530b
15bb457b103
hex7035a008f

30121001103 has 8 divisors (see below), whose sum is σ = 40164426288. Its totient is φ = 20079121664.

The previous prime is 30121001051. The next prime is 30121001161. The reversal of 30121001103 is 30110012103.

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 30121001103 - 26 = 30121001039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30121001203) 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, 340176 + ... + 419477.

It is an arithmetic number, because the mean of its divisors is an integer number (5020553286).

Almost surely, 230121001103 is an apocalyptic number.

30121001103 is a deficient number, since it is larger than the sum of its proper divisors (10043425185).

30121001103 is a wasteful number, since it uses less digits than its factorization.

30121001103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772873.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 30121001103 its reverse (30110012103), we get a palindrome (60231013206).

The spelling of 30121001103 in words is "thirty billion, one hundred twenty-one million, one thousand, one hundred three".

Divisors: 1 3 13217 39651 759653 2278959 10040333701 30121001103