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1369006080 = 2133513857
BaseRepresentation
bin101000110011001…
…0110000000000000
310112102000201021220
41101212112000000
510300431143310
6343502315040
745632234241
oct12146260000
93472021256
101369006080
1164284a592
12322588a80
1318a819290
14cdb64cc8
15802c1670
hex51996000

1369006080 has 224 divisors, whose sum is σ = 4723022304. Its totient is φ = 336592896.

The previous prime is 1369006019. The next prime is 1369006081. The reversal of 1369006080 is 806009631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1369006081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1597012 + ... + 1597868.

It is an arithmetic number, because the mean of its divisors is an integer number (21084921).

Almost surely, 21369006080 is an apocalyptic number.

1369006080 is a gapful number since it is divisible by the number (10) 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 1369006080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2361511152).

1369006080 is an abundant number, since it is smaller than the sum of its proper divisors (3354016224).

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

1369006080 is an equidigital number, since it uses as much as digits as its factorization.

1369006080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904 (or 880 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 1369006080 is about 37000.0821620709. The cubic root of 1369006080 is about 1110.3718906476.

The spelling of 1369006080 in words is "one billion, three hundred sixty-nine million, six thousand, eighty".