Search a number
-
+
30969567170304 = 28371723611491621
BaseRepresentation
bin1110000101010101010100…
…00011001100111100000000
311001122122212101101020212120
413002222222003030330000
513024401133143422204
6145511120040324240
76344322513352230
oct702525203147400
9131578771336776
1030969567170304
119960135324624
123582139473680
131438557778449
14790d13ab9cc0
1538a8c991a6d9
hex1c2aaa0ccf00

30969567170304 has 1152 divisors, whose sum is σ = 106558579814400. Its totient is φ = 7777891123200.

The previous prime is 30969567170263. The next prime is 30969567170357. The reversal of 30969567170304 is 40307176596903.

It is a happy number.

It is a super-2 number, since 2×309695671703042 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 19105222614 + ... + 19105224234.

It is an arithmetic number, because the mean of its divisors is an integer number (92498767200).

Almost surely, 230969567170304 is an apocalyptic number.

30969567170304 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30969567170304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53279289907200).

30969567170304 is an abundant number, since it is smaller than the sum of its proper divisors (75589012644096).

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

30969567170304 is a wasteful number, since it uses less digits than its factorization.

30969567170304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1897 (or 1883 counting only the distinct ones).

The product of its (nonzero) digits is 25719120, while the sum is 60.

The spelling of 30969567170304 in words is "thirty trillion, nine hundred sixty-nine billion, five hundred sixty-seven million, one hundred seventy thousand, three hundred four".