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101210634157 is a prime number
BaseRepresentation
bin101111001000010011…
…1111011011110101101
3100200020112122221002211
41132100213323132231
53124234410243112
6114255011050421
710212044124103
oct1362047733655
9320215587084
10101210634157
1139a178454a6
12177472a0a11
13970c588309
144c81b5bc73
1529756760a7
hex17909fb7ad

101210634157 has 2 divisors, whose sum is σ = 101210634158. Its totient is φ = 101210634156.

The previous prime is 101210634137. The next prime is 101210634163. The reversal of 101210634157 is 751436012101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86145772036 + 15064862121 = 293506^2 + 122739^2 .

It is an emirp because it is prime and its reverse (751436012101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101210634157 - 231 = 99063150509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101210634127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50605317078 + 50605317079.

It is an arithmetic number, because the mean of its divisors is an integer number (50605317079).

Almost surely, 2101210634157 is an apocalyptic number.

It is an amenable number.

101210634157 is a deficient number, since it is larger than the sum of its proper divisors (1).

101210634157 is an equidigital number, since it uses as much as digits as its factorization.

101210634157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 31.

Adding to 101210634157 its reverse (751436012101), we get a palindrome (852646646258).

The spelling of 101210634157 in words is "one hundred one billion, two hundred ten million, six hundred thirty-four thousand, one hundred fifty-seven".