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21201945093301 = 74509436716701
BaseRepresentation
bin1001101001000011101100…
…11001111110010010110101
32210001212221000012121000211
410310201312121332102311
510234333040420441201
6113032012240505421
74315534651524610
oct464416631762265
983055830177024
1021201945093301
1168347702a9555
1224650b461b271
13baa44786020b
14534272c2b177
1526b7a06da651
hex13487667e4b5

21201945093301 has 8 divisors (see below), whose sum is σ = 24230851733504. Its totient is φ = 18173052788400.

The previous prime is 21201945093233. The next prime is 21201945093317. The reversal of 21201945093301 is 10339054910212.

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 21201945093301 - 29 = 21201945092789 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 (21201945093341) 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, 201750 + ... + 6514951.

It is an arithmetic number, because the mean of its divisors is an integer number (3028856466688).

Almost surely, 221201945093301 is an apocalyptic number.

It is an amenable number.

21201945093301 is a deficient number, since it is larger than the sum of its proper divisors (3028906640203).

21201945093301 is an equidigital number, since it uses as much as digits as its factorization.

21201945093301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7167651.

The product of its (nonzero) digits is 58320, while the sum is 40.

The spelling of 21201945093301 in words is "twenty-one trillion, two hundred one billion, nine hundred forty-five million, ninety-three thousand, three hundred one".

Divisors: 1 7 450943 3156601 6716701 47016907 3028849299043 21201945093301