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10211210957 is a prime number
BaseRepresentation
bin10011000001010001…
…01011011011001101
3222100122012021002102
421200220223123031
5131403032222312
64405125404445
7511020601223
oct114050533315
928318167072
1010211210957
11436aa64a22
121b8b869725
13c6969b57c
146cc222b13
153eb6cdec2
hex260a2b6cd

10211210957 has 2 divisors, whose sum is σ = 10211210958. Its totient is φ = 10211210956.

The previous prime is 10211210951. The next prime is 10211210963. The reversal of 10211210957 is 75901211201.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (10211210951) and next prime (10211210963).

It can be written as a sum of positive squares in only one way, i.e., 5557106116 + 4654104841 = 74546^2 + 68221^2 .

It is an emirp because it is prime and its reverse (75901211201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10211210957 - 24 = 10211210941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10211210951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105605478 + 5105605479.

It is an arithmetic number, because the mean of its divisors is an integer number (5105605479).

Almost surely, 210211210957 is an apocalyptic number.

It is an amenable number.

10211210957 is a deficient number, since it is larger than the sum of its proper divisors (1).

10211210957 is an equidigital number, since it uses as much as digits as its factorization.

10211210957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 29.

The spelling of 10211210957 in words is "ten billion, two hundred eleven million, two hundred ten thousand, nine hundred fifty-seven".