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101420653 is a prime number
BaseRepresentation
bin1100000101110…
…00111001101101
321001211200222111
412002320321231
5201430430103
614021444021
72341030015
oct602707155
9231750874
10101420653
1152281924
1229b70611
1318020329
14d680c45
158d8586d
hex60b8e6d

101420653 has 2 divisors, whose sum is σ = 101420654. Its totient is φ = 101420652.

The previous prime is 101420633. The next prime is 101420659. The reversal of 101420653 is 356024101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58936329 + 42484324 = 7677^2 + 6518^2 .

It is a cyclic number.

It is not a de Polignac number, because 101420653 - 25 = 101420621 is a prime.

It is a super-2 number, since 2×1014206532 = 20572297709892818, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101420659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50710326 + 50710327.

It is an arithmetic number, because the mean of its divisors is an integer number (50710327).

Almost surely, 2101420653 is an apocalyptic number.

It is an amenable number.

101420653 is a deficient number, since it is larger than the sum of its proper divisors (1).

101420653 is an equidigital number, since it uses as much as digits as its factorization.

101420653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 101420653 is about 10070.7821444017. The cubic root of 101420653 is about 466.3465849880.

Adding to 101420653 its reverse (356024101), we get a palindrome (457444754).

The spelling of 101420653 in words is "one hundred one million, four hundred twenty thousand, six hundred fifty-three".