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10920461569 is a prime number
BaseRepresentation
bin10100010101110100…
…10000010100000001
31001012001202221000121
422022322100110001
5134331114232234
65003343220241
7534422251243
oct121272202401
931161687017
1010920461569
1146a4352456
1221492a7681
1310505c93a4
147584c8093
1543dacc4b4
hex28ae90501

10920461569 has 2 divisors, whose sum is σ = 10920461570. Its totient is φ = 10920461568.

The previous prime is 10920461551. The next prime is 10920461627. The reversal of 10920461569 is 96516402901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8183916225 + 2736545344 = 90465^2 + 52312^2 .

It is a cyclic number.

It is not a de Polignac number, because 10920461569 - 25 = 10920461537 is a prime.

It is a super-2 number, since 2×109204615692 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10920461549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5460230784 + 5460230785.

It is an arithmetic number, because the mean of its divisors is an integer number (5460230785).

Almost surely, 210920461569 is an apocalyptic number.

It is an amenable number.

10920461569 is a deficient number, since it is larger than the sum of its proper divisors (1).

10920461569 is an equidigital number, since it uses as much as digits as its factorization.

10920461569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 43.

The spelling of 10920461569 in words is "ten billion, nine hundred twenty million, four hundred sixty-one thousand, five hundred sixty-nine".