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9980350479 = 3211100811621
BaseRepresentation
bin10010100101110000…
…00001000000001111
3221202112210100001100
421102320001000033
5130414432203404
64330201314143
7502215402501
oct112270010017
927675710040
109980350479
114261714040
121b26495953
13c308ca738
146a96c9d71
153d62cad39
hex252e0100f

9980350479 has 12 divisors (see below), whose sum is σ = 15726613032. Its totient is φ = 6048697200.

The previous prime is 9980350423. The next prime is 9980350481. The reversal of 9980350479 is 9740530899.

9980350479 is a `hidden beast` number, since 99 + 80 + 3 + 5 + 0 + 479 = 666.

It is not a de Polignac number, because 9980350479 - 229 = 9443479567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9980350579) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50405712 + ... + 50405909.

It is an arithmetic number, because the mean of its divisors is an integer number (1310551086).

Almost surely, 29980350479 is an apocalyptic number.

9980350479 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

9980350479 is a deficient number, since it is larger than the sum of its proper divisors (5746262553).

9980350479 is a wasteful number, since it uses less digits than its factorization.

9980350479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100811638 (or 100811635 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 54.

The square root of 9980350479 is about 99901.7040845650. The cubic root of 9980350479 is about 2153.0226444375.

The spelling of 9980350479 in words is "nine billion, nine hundred eighty million, three hundred fifty thousand, four hundred seventy-nine".

Divisors: 1 3 9 11 33 99 100811621 302434863 907304589 1108927831 3326783493 9980350479