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BaseRepresentation
bin101111000010000010…
…0011011010111001011
3100122200212022122200201
41132010010123113023
53123322000012341
6114222044313031
710203605562142
oct1360404332713
9318625278621
10101000000971
113991995a691
12176a8842777
1396a7a4a1ac
144c61bac759
152961e1b331
hex178411b5cb

101000000971 has 2 divisors, whose sum is σ = 101000000972. Its totient is φ = 101000000970.

The previous prime is 101000000951. The next prime is 101000001031. The reversal of 101000000971 is 179000000101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101000000971 - 25 = 101000000939 is a prime.

It is a super-2 number, since 2×1010000009712 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (101000000951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50500000485 + 50500000486.

It is an arithmetic number, because the mean of its divisors is an integer number (50500000486).

Almost surely, 2101000000971 is an apocalyptic number.

101000000971 is a deficient number, since it is larger than the sum of its proper divisors (1).

101000000971 is an equidigital number, since it uses as much as digits as its factorization.

101000000971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63, while the sum is 19.

The spelling of 101000000971 in words is "one hundred one billion, nine hundred seventy-one", and thus it is an aban number.