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143640625113 = 3219781015581
BaseRepresentation
bin1000010111000110100…
…1011111111111011001
3111201202120011210112100
42011301221133333121
54323134000000423
6145553153034013
713243356111456
oct2056151377731
9451676153470
10143640625113
1155a1042a727
1223a08b55909
1310711bc733b
146d48d5482d
153b0a65a343
hex2171a5ffd9

143640625113 has 12 divisors (see below), whose sum is σ = 208534108068. Its totient is φ = 95274322080.

The previous prime is 143640625057. The next prime is 143640625171. The reversal of 143640625113 is 311526046341.

143640625113 is a `hidden beast` number, since 1 + 4 + 3 + 640 + 6 + 2 + 5 + 1 + 1 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 62294169744 + 81346455369 = 249588^2 + 285213^2 .

It is not a de Polignac number, because 143640625113 - 26 = 143640625049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (143640625813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40506018 + ... + 40509563.

It is an arithmetic number, because the mean of its divisors is an integer number (17377842339).

Almost surely, 2143640625113 is an apocalyptic number.

It is an amenable number.

143640625113 is a deficient number, since it is larger than the sum of its proper divisors (64893482955).

143640625113 is a wasteful number, since it uses less digits than its factorization.

143640625113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81015784 (or 81015781 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 143640625113 in words is "one hundred forty-three billion, six hundred forty million, six hundred twenty-five thousand, one hundred thirteen".

Divisors: 1 3 9 197 591 1773 81015581 243046743 729140229 15960069457 47880208371 143640625113