Search a number
-
+
15023400000 = 263557373
BaseRepresentation
bin11011111110111011…
…01110010001000000
31102210000011210110020
431333131232101000
5221231442300000
610522431333440
71041202536000
oct157735562100
942700153406
1015023400000
11640a354864
122ab3381280
13155564cbcb
14a27396000
155cddd7ba0
hex37f76e440

15023400000 has 672 divisors, whose sum is σ = 58733740800. Its totient is φ = 3386880000.

The previous prime is 15023399971. The next prime is 15023400001. The reversal of 15023400000 is 432051.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (15023400001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 205799964 + ... + 205800036.

It is an arithmetic number, because the mean of its divisors is an integer number (87401400).

Almost surely, 215023400000 is an apocalyptic number.

15023400000 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 15023400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29366870400).

15023400000 is an abundant number, since it is smaller than the sum of its proper divisors (43710340800).

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

15023400000 is an frugal number, since it uses more digits than its factorization.

15023400000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

Adding to 15023400000 its reverse (432051), we get a palindrome (15023832051).

The spelling of 15023400000 in words is "fifteen billion, twenty-three million, four hundred thousand".