Search a number
-
+
10001909147 is a prime number
BaseRepresentation
bin10010101000010100…
…10000010110011011
3221211001100121222112
421110022100112123
5130440442043042
64332251342535
7502566552656
oct112412202633
927731317875
1010001909147
1142728a941a
121b31751a4b
13c35208449
146ac4dc89d
153d8138982
hex25429059b

10001909147 has 2 divisors, whose sum is σ = 10001909148. Its totient is φ = 10001909146.

The previous prime is 10001909101. The next prime is 10001909167. The reversal of 10001909147 is 74190910001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10001909147 is a prime.

It is not a weakly prime, because it can be changed into another prime (10001909167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000954573 + 5000954574.

It is an arithmetic number, because the mean of its divisors is an integer number (5000954574).

Almost surely, 210001909147 is an apocalyptic number.

10001909147 is a deficient number, since it is larger than the sum of its proper divisors (1).

10001909147 is an equidigital number, since it uses as much as digits as its factorization.

10001909147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 32.

The spelling of 10001909147 in words is "ten billion, one million, nine hundred nine thousand, one hundred forty-seven".