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102212313320401 = 797128246315333
BaseRepresentation
bin10111001111011000101000…
…101000001000101111010001
3111101220101211212010112212221
4113033120220220020233101
5101344121304202223101
61001215404415021041
730346411260116524
oct2717305050105721
9441811755115787
10102212313320401
112a627aa9222009
12b569520b0a781
13450576ca43a8b
141b35160c40bbb
15bc3b9bc32aa1
hex5cf628a08bd1

102212313320401 has 4 divisors (see below), whose sum is σ = 102340559636532. Its totient is φ = 102084067004272.

The previous prime is 102212313320353. The next prime is 102212313320413. The reversal of 102212313320401 is 104023313212201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16077653993025 + 86134659327376 = 4009695^2 + 9280876^2 .

It is a cyclic number.

It is not a de Polignac number, because 102212313320401 - 221 = 102212311223249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102212313321401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64123156870 + ... + 64123158463.

It is an arithmetic number, because the mean of its divisors is an integer number (25585139909133).

Almost surely, 2102212313320401 is an apocalyptic number.

It is an amenable number.

102212313320401 is a deficient number, since it is larger than the sum of its proper divisors (128246316131).

102212313320401 is an equidigital number, since it uses as much as digits as its factorization.

102212313320401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128246316130.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 102212313320401 its reverse (104023313212201), we get a palindrome (206235626532602).

The spelling of 102212313320401 in words is "one hundred two trillion, two hundred twelve billion, three hundred thirteen million, three hundred twenty thousand, four hundred one".

Divisors: 1 797 128246315333 102212313320401