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101202020957 is a prime number
BaseRepresentation
bin101111001000000011…
…1000100101001011101
3100200012221110100000102
41132100013010221131
53124230204132312
6114254102310445
710211610661532
oct1362007045135
9320187410012
10101202020957
1139a129a2254
1217744428425
13970a860a4b
144c80958d89
152974a23ec2
hex17901c4a5d

101202020957 has 2 divisors, whose sum is σ = 101202020958. Its totient is φ = 101202020956.

The previous prime is 101202020947. The next prime is 101202020981. The reversal of 101202020957 is 759020202101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90583542841 + 10618478116 = 300971^2 + 103046^2 .

It is a cyclic number.

It is not a de Polignac number, because 101202020957 - 214 = 101202004573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101202020947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50601010478 + 50601010479.

It is an arithmetic number, because the mean of its divisors is an integer number (50601010479).

Almost surely, 2101202020957 is an apocalyptic number.

It is an amenable number.

101202020957 is a deficient number, since it is larger than the sum of its proper divisors (1).

101202020957 is an equidigital number, since it uses as much as digits as its factorization.

101202020957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 29.

The spelling of 101202020957 in words is "one hundred one billion, two hundred two million, twenty thousand, nine hundred fifty-seven".