Search a number
-
+
115310145120 = 2535240229469
BaseRepresentation
bin110101101100100000…
…1010010111001100000
3102000122011101022001120
41223121001102321200
53342123344120440
6124550040332240
711221331030052
oct1533101227140
9360564338046
10115310145120
11449a26307a5
121a421174080
13ab48699201
14581c5398d2
152eed3b3dd0
hex1ad9052e60

115310145120 has 48 divisors (see below), whose sum is σ = 363226958640. Its totient is φ = 30749371904.

The previous prime is 115310145103. The next prime is 115310145127. The reversal of 115310145120 is 21541013511.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115310145127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120114255 + ... + 120115214.

It is an arithmetic number, because the mean of its divisors is an integer number (7567228305).

Almost surely, 2115310145120 is an apocalyptic number.

115310145120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115310145120 is an abundant number, since it is smaller than the sum of its proper divisors (247916813520).

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

115310145120 is a wasteful number, since it uses less digits than its factorization.

115310145120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240229487 (or 240229479 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 24.

Adding to 115310145120 its reverse (21541013511), we get a palindrome (136851158631).

The spelling of 115310145120 in words is "one hundred fifteen billion, three hundred ten million, one hundred forty-five thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 240229469 480458938 720688407 960917876 1201147345 1441376814 1921835752 2402294690 2882753628 3603442035 3843671504 4804589380 5765507256 7206884070 7687343008 9609178760 11531014512 14413768140 19218357520 23062029024 28827536280 38436715040 57655072560 115310145120