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1980930326293 = 23193446255987
BaseRepresentation
bin11100110100111000101…
…001011111111100010101
321000101010102220001110201
4130310320221133330111
5224423421130420133
64114005443420501
7263055204644512
oct34647051377425
97011112801421
101980930326293
116a4120587776
1227bb01684731
13114a54840789
146bc3dd7a309
15367ddc7dd7d
hex1cd38a5ff15

1980930326293 has 8 divisors (see below), whose sum is σ = 2077767880128. Its totient is φ = 1884985284864.

The previous prime is 1980930326267. The next prime is 1980930326303. The reversal of 1980930326293 is 3926230390891.

It is a happy number.

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 1980930326293 - 25 = 1980930326261 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 (1980930326213) 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, 223123555 + ... + 223132432.

It is an arithmetic number, because the mean of its divisors is an integer number (259720985016).

Almost surely, 21980930326293 is an apocalyptic number.

It is an amenable number.

1980930326293 is a deficient number, since it is larger than the sum of its proper divisors (96837553835).

1980930326293 is a wasteful number, since it uses less digits than its factorization.

1980930326293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446256203.

The product of its (nonzero) digits is 3779136, while the sum is 55.

The spelling of 1980930326293 in words is "one trillion, nine hundred eighty billion, nine hundred thirty million, three hundred twenty-six thousand, two hundred ninety-three".

Divisors: 1 23 193 4439 446255987 10263887701 86127405491 1980930326293