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320980497854 = 21371171461671
BaseRepresentation
bin1001010101110111110…
…11011011010110111110
31010200111200102202012012
410222323323123112332
520224332001412404
6403242330011222
732122124133512
oct4527373332676
91120450382165
10320980497854
11114144139925
125225b876b12
13243646a5a93
141176d73a142
158539557a6e
hex4abbedb5be

320980497854 has 8 divisors (see below), whose sum is σ = 484985132208. Its totient is φ = 159318787120.

The previous prime is 320980497797. The next prime is 320980497917. The reversal of 320980497854 is 458794089023.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 320980497793 and 320980497802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 585730562 + ... + 585731109.

It is an arithmetic number, because the mean of its divisors is an integer number (60623141526).

Almost surely, 2320980497854 is an apocalyptic number.

320980497854 is a deficient number, since it is larger than the sum of its proper divisors (164004634354).

320980497854 is a wasteful number, since it uses less digits than its factorization.

320980497854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171461810.

The product of its (nonzero) digits is 17418240, while the sum is 59.

The spelling of 320980497854 in words is "three hundred twenty billion, nine hundred eighty million, four hundred ninety-seven thousand, eight hundred fifty-four".

Divisors: 1 2 137 274 1171461671 2342923342 160490248927 320980497854