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7434985168 = 2413293121997
BaseRepresentation
bin1101110110010100…
…01101111011010000
3201012011020101021001
412323022031323100
5110211324011133
63225433311344
7352150221412
oct67312157320
921164211231
107434985168
113175945446
121535b65554
13916476610
1450762a9b2
152d7add87d
hex1bb28ded0

7434985168 has 40 divisors (see below), whose sum is σ = 15566456808. Its totient is φ = 3419791872.

The previous prime is 7434985097. The next prime is 7434985169. The reversal of 7434985168 is 8615894347.

It can be written as a sum of positive squares in 4 ways, for example, as 4016010384 + 3418974784 = 63372^2 + 58472^2 .

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7434985169) 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, 55 + ... + 121942.

Almost surely, 27434985168 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 7434985168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7783228404).

7434985168 is an abundant number, since it is smaller than the sum of its proper divisors (8131471640).

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

7434985168 is a wasteful number, since it uses less digits than its factorization.

7434985168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122311 (or 122305 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 55.

The square root of 7434985168 is about 86226.3600530603. The cubic root of 7434985168 is about 1951.7612986915.

The spelling of 7434985168 in words is "seven billion, four hundred thirty-four million, nine hundred eighty-five thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 13 16 26 52 104 208 293 586 1172 2344 3809 4688 7618 15236 30472 60944 121997 243994 487988 975976 1585961 1951952 3171922 6343844 12687688 25375376 35745121 71490242 142980484 285960968 464686573 571921936 929373146 1858746292 3717492584 7434985168