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34489980280 = 235719232511123
BaseRepresentation
bin100000000111110000…
…110101010101111000
310022000122222112102001
4200013300311111320
51031113413332110
623502223550344
72330456665240
oct400760652570
9108018875361
1034489980280
1113699770738
12682675b3b4
133338671072
1419528a6b20
15d6cdd863a
hex807c35578

34489980280 has 256 divisors, whose sum is σ = 97890508800. Its totient is φ = 10663488000.

The previous prime is 34489980277. The next prime is 34489980281. The reversal of 34489980280 is 8208998443.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34489980281) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 30711799 + ... + 30712921.

It is an arithmetic number, because the mean of its divisors is an integer number (382384800).

Almost surely, 234489980280 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34489980280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48945254400).

34489980280 is an abundant number, since it is smaller than the sum of its proper divisors (63400528520).

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

34489980280 is a wasteful number, since it uses less digits than its factorization.

34489980280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434 (or 1430 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 55.

The spelling of 34489980280 in words is "thirty-four billion, four hundred eighty-nine million, nine hundred eighty thousand, two hundred eighty".