Search a number
-
+
101031210089 is a prime number
BaseRepresentation
bin101111000010111101…
…1011110110001101001
3100122210001001020112222
41132011323132301221
53123402442210324
6114225121243425
710204435054625
oct1360573366151
9318701036488
10101031210089
1139935536547
12176b7193575
1396b1356624
144c65db4185
152964a3355e
hex1785edec69

101031210089 has 2 divisors, whose sum is σ = 101031210090. Its totient is φ = 101031210088.

The previous prime is 101031210029. The next prime is 101031210127. The reversal of 101031210089 is 980012130101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99850944064 + 1180266025 = 315992^2 + 34355^2 .

It is an emirp because it is prime and its reverse (980012130101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101031210089 - 216 = 101031144553 is a prime.

It is not a weakly prime, because it can be changed into another prime (101031210029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50515605044 + 50515605045.

It is an arithmetic number, because the mean of its divisors is an integer number (50515605045).

Almost surely, 2101031210089 is an apocalyptic number.

It is an amenable number.

101031210089 is a deficient number, since it is larger than the sum of its proper divisors (1).

101031210089 is an equidigital number, since it uses as much as digits as its factorization.

101031210089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 26.

The spelling of 101031210089 in words is "one hundred one billion, thirty-one million, two hundred ten thousand, eighty-nine".