Search a number
-
+
100101212010931 is a prime number
BaseRepresentation
bin10110110000101010100001…
…001011101111100110110011
3111010102120201120120101222011
4112300222201023233212303
5101110024240233322211
6552521510103223351
730041034231062305
oct2660524113574663
9433376646511864
10100101212010931
112999375a601aaa
12b288351447b57
1343b1671a93b01
141aa0cd2c0b975
15b88ce0118921
hex5b0aa12ef9b3

100101212010931 has 2 divisors, whose sum is σ = 100101212010932. Its totient is φ = 100101212010930.

The previous prime is 100101212010913. The next prime is 100101212010949. The reversal of 100101212010931 is 139010212101001.

Together with previous prime (100101212010913) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (100101212010913) and next prime (100101212010949).

It is a cyclic number.

It is not a de Polignac number, because 100101212010931 - 229 = 100100675140019 is a prime.

It is a super-2 number, since 2×1001012120109312 (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100101212010131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50050606005465 + 50050606005466.

It is an arithmetic number, because the mean of its divisors is an integer number (50050606005466).

Almost surely, 2100101212010931 is an apocalyptic number.

100101212010931 is a deficient number, since it is larger than the sum of its proper divisors (1).

100101212010931 is an equidigital number, since it uses as much as digits as its factorization.

100101212010931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 22.

Adding to 100101212010931 its reverse (139010212101001), we get a palindrome (239111424111932).

The spelling of 100101212010931 in words is "one hundred trillion, one hundred one billion, two hundred twelve million, ten thousand, nine hundred thirty-one".