Search a number
-
+
30312402122102 = 2103147147583117
BaseRepresentation
bin1101110010001101001111…
…11101011111010101110110
310222022211121102101212101212
412321012213331133111312
512433114244420401402
6144245154132521422
76245666403536132
oct671064775372566
9128284542355355
1030312402122102
119727465834241
1234968b6180272
1313bb5a7807b39
1476b1b16a43c2
1537876618a952
hex1b91a7f5f576

30312402122102 has 8 divisors (see below), whose sum is σ = 45910045932816. Its totient is φ = 15009053477832.

The previous prime is 30312402122099. The next prime is 30312402122111. The reversal of 30312402122102 is 20122120421303.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73573791353 + ... + 73573791764.

It is an arithmetic number, because the mean of its divisors is an integer number (5738755741602).

Almost surely, 230312402122102 is an apocalyptic number.

30312402122102 is a deficient number, since it is larger than the sum of its proper divisors (15597643810714).

30312402122102 is a wasteful number, since it uses less digits than its factorization.

30312402122102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147147583222.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 30312402122102 its reverse (20122120421303), we get a palindrome (50434522543405).

The spelling of 30312402122102 in words is "thirty trillion, three hundred twelve billion, four hundred two million, one hundred twenty-two thousand, one hundred two".

Divisors: 1 2 103 206 147147583117 294295166234 15156201061051 30312402122102