Search a number
-
+
13501031040 = 273257418167
BaseRepresentation
bin11001001001011100…
…10110001010000000
31021211220120102211200
430210232112022000
5210122230443130
610111405541200
7655365604350
oct144456261200
937756512750
1013501031040
1157a8a864a2
122749574800
131372128183
1492110cb60
15540420760
hex324b96280

13501031040 has 384 divisors, whose sum is σ = 54587070720. Its totient is φ = 3010314240.

The previous prime is 13501031017. The next prime is 13501031041. The reversal of 13501031040 is 4013010531.

13501031040 is a `hidden beast` number, since 1 + 350 + 1 + 0 + 310 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (13501031041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1649037 + ... + 1657203.

It is an arithmetic number, because the mean of its divisors is an integer number (142153830).

Almost surely, 213501031040 is an apocalyptic number.

13501031040 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 13501031040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27293535360).

13501031040 is an abundant number, since it is smaller than the sum of its proper divisors (41086039680).

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

13501031040 is a wasteful number, since it uses less digits than its factorization.

13501031040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8240 (or 8225 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

Adding to 13501031040 its reverse (4013010531), we get a palindrome (17514041571).

The spelling of 13501031040 in words is "thirteen billion, five hundred one million, thirty-one thousand, forty".