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830721403074 = 23138453567179
BaseRepresentation
bin11000001011010101101…
…10101010100011000010
32221102020101212201100010
430011222312222203002
5102102304134344244
61433343402405350
7114006023263563
oct14055266524302
92842211781303
10830721403074
112a0341636612
12114bbab00856
136044b935aa4
142c2c851a16a
1516920419eb9
hexc16adaa8c2

830721403074 has 8 divisors (see below), whose sum is σ = 1661442806160. Its totient is φ = 276907134356.

The previous prime is 830721403069. The next prime is 830721403201. The reversal of 830721403074 is 470304127038.

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

830721403074 is an admirable 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, 69226783584 + ... + 69226783595.

It is an arithmetic number, because the mean of its divisors is an integer number (207680350770).

Almost surely, 2830721403074 is an apocalyptic number.

830721403074 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

830721403074 is a wasteful number, since it uses less digits than its factorization.

830721403074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138453567184.

The product of its (nonzero) digits is 112896, while the sum is 39.

The spelling of 830721403074 in words is "eight hundred thirty billion, seven hundred twenty-one million, four hundred three thousand, seventy-four".

Divisors: 1 2 3 6 138453567179 276907134358 415360701537 830721403074