Search a number
-
+
98912122121 = 732088764871
BaseRepresentation
bin101110000011110011…
…1110011010100001001
3100110022100121102100102
41130013213303110021
53110033000401441
6113234542015145
710101064110611
oct1340747632411
9313270542312
1098912122121
1138a4835037a
12172055774b5
139434314517
144b04799a41
15288d99a69b
hex17079f3509

98912122121 has 8 divisors (see below), whose sum is σ = 100273428864. Its totient is φ = 97550987040.

The previous prime is 98912122109. The next prime is 98912122187. The reversal of 98912122121 is 12122121989.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-98912122121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98912122321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1492316 + ... + 1557186.

It is an arithmetic number, because the mean of its divisors is an integer number (12534178608).

Almost surely, 298912122121 is an apocalyptic number.

It is an amenable number.

98912122121 is a deficient number, since it is larger than the sum of its proper divisors (1361306743).

98912122121 is a wasteful number, since it uses less digits than its factorization.

98912122121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85831.

The product of its digits is 10368, while the sum is 38.

The spelling of 98912122121 in words is "ninety-eight billion, nine hundred twelve million, one hundred twenty-two thousand, one hundred twenty-one".

Divisors: 1 73 20887 64871 1524751 4735583 1354960577 98912122121