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10220004649 is a prime number
BaseRepresentation
bin10011000010010100…
…01110010100101001
3222101020202000202201
421201022032110221
5131412310122044
64410042100201
7511155414631
oct114112162451
928336660681
1010220004649
114374a20838
121b927aa661
13c6b45a03a
146cd4716c1
153ec3697d4
hex26128e529

10220004649 has 2 divisors, whose sum is σ = 10220004650. Its totient is φ = 10220004648.

The previous prime is 10220004643. The next prime is 10220004671. The reversal of 10220004649 is 94640002201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7246265625 + 2973739024 = 85125^2 + 54532^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10220004649 is a prime.

It is a super-2 number, since 2×102200046492 (a number of 21 digits) contains 22 as substring.

10220004649 is a modest number, since divided by 4649 gives 1022 as remainder.

It is not a weakly prime, because it can be changed into another prime (10220004643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110002324 + 5110002325.

It is an arithmetic number, because the mean of its divisors is an integer number (5110002325).

Almost surely, 210220004649 is an apocalyptic number.

It is an amenable number.

10220004649 is a deficient number, since it is larger than the sum of its proper divisors (1).

10220004649 is an equidigital number, since it uses as much as digits as its factorization.

10220004649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 10220004649 in words is "ten billion, two hundred twenty million, four thousand, six hundred forty-nine".