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102120202100101 = 686379423187349
BaseRepresentation
bin10111001110000010110110…
…010111101101110110000101
3111101120121002110121201222011
4113032002312113231312011
5101341114133214200401
61001105212335534221
730336640543504663
oct2716026627556605
9441517073551864
10102120202100101
112a5a1a308a9959
12b5536b508a371
1344c9b80705823
141b309037b5c33
15bc15aa374451
hex5ce0b65edd85

102120202100101 has 8 divisors (see below), whose sum is σ = 102136913049600. Its totient is φ = 102103491697872.

The previous prime is 102120202100093. The next prime is 102120202100171. The reversal of 102120202100101 is 101001202021201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102120202100101 - 23 = 102120202100093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102120202100171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 544986375 + ... + 545173723.

It is an arithmetic number, because the mean of its divisors is an integer number (12767114131200).

Almost surely, 2102120202100101 is an apocalyptic number.

It is an amenable number.

102120202100101 is a deficient number, since it is larger than the sum of its proper divisors (16710949499).

102120202100101 is an equidigital number, since it uses as much as digits as its factorization.

102120202100101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273635.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102120202100101 its reverse (101001202021201), we get a palindrome (203121404121302).

The spelling of 102120202100101 in words is "one hundred two trillion, one hundred twenty billion, two hundred two million, one hundred thousand, one hundred one".

Divisors: 1 6863 79423 187349 545080049 1285776187 14879819627 102120202100101