Search a number
-
+
1438704901088 = 257213217595413
BaseRepresentation
bin10100111011111001011…
…111101001101111100000
312002112112211002111020222
4110323321133221233200
5142032431423313323
63020533143022212
7205641306612200
oct24737137515740
95075484074228
101438704901088
11505173456354
121b29b743a968
13a5891579200
144d8c2bb0400
15276560c39c8
hex14ef97e9be0

1438704901088 has 432 divisors, whose sum is σ = 3842452449360. Its totient is φ = 526501527552.

The previous prime is 1438704901043. The next prime is 1438704901103. The reversal of 1438704901088 is 8801094078341.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 265784270 + ... + 265789682.

It is an arithmetic number, because the mean of its divisors is an integer number (8894565855).

Almost surely, 21438704901088 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 1438704901088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1921226224680).

1438704901088 is an abundant number, since it is smaller than the sum of its proper divisors (2403747548272).

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

1438704901088 is a wasteful number, since it uses less digits than its factorization.

1438704901088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5539 (or 5511 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 53.

The spelling of 1438704901088 in words is "one trillion, four hundred thirty-eight billion, seven hundred four million, nine hundred one thousand, eighty-eight".