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10907452921 is a prime number
BaseRepresentation
bin10100010100010001…
…01000010111111001
31001011011022000111211
422022020220113321
5134314301443141
65002200323121
7534203551201
oct121210502771
931134260454
1010907452921
114697a77902
122144a734a1
13104a9c3271
1475689d401
1543c8acd81
hex28a2285f9

10907452921 has 2 divisors, whose sum is σ = 10907452922. Its totient is φ = 10907452920.

The previous prime is 10907452859. The next prime is 10907452957. The reversal of 10907452921 is 12925470901.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9523612921 + 1383840000 = 97589^2 + 37200^2 .

It is a cyclic number.

It is not a de Polignac number, because 10907452921 - 213 = 10907444729 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (10907452961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5453726460 + 5453726461.

It is an arithmetic number, because the mean of its divisors is an integer number (5453726461).

Almost surely, 210907452921 is an apocalyptic number.

It is an amenable number.

10907452921 is a deficient number, since it is larger than the sum of its proper divisors (1).

10907452921 is an equidigital number, since it uses as much as digits as its factorization.

10907452921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 40.

The spelling of 10907452921 in words is "ten billion, nine hundred seven million, four hundred fifty-two thousand, nine hundred twenty-one".