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115455120001 = 1319379757737
BaseRepresentation
bin110101110000110101…
…0010101001010000001
3102001000021011210012121
41223201222111022001
53342423002320001
6125012255524241
711225041220254
oct1534152251201
9361007153177
10115455120001
1144a67450551
121a461829681
13ab6c728a70
1458338b709b
15300ae9e6a1
hex1ae1a95281

115455120001 has 16 divisors (see below), whose sum is σ = 125139493584. Its totient is φ = 105886900224.

The previous prime is 115455119987. The next prime is 115455120029. The reversal of 115455120001 is 100021554511.

It can be written as a sum of positive squares in 8 ways, for example, as 32824742976 + 82630377025 = 181176^2 + 287455^2 .

It is a cyclic number.

It is not a de Polignac number, because 115455120001 - 213 = 115455111809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115455120601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1970805 + ... + 2028541.

It is an arithmetic number, because the mean of its divisors is an integer number (7821218349).

Almost surely, 2115455120001 is an apocalyptic number.

It is an amenable number.

115455120001 is a deficient number, since it is larger than the sum of its proper divisors (9684373583).

115455120001 is a wasteful number, since it uses less digits than its factorization.

115455120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58740.

The product of its (nonzero) digits is 1000, while the sum is 25.

Adding to 115455120001 its reverse (100021554511), we get a palindrome (215476674512).

The spelling of 115455120001 in words is "one hundred fifteen billion, four hundred fifty-five million, one hundred twenty thousand, one".

Divisors: 1 13 193 797 2509 10361 57737 153821 750581 1999673 11143241 46016389 144862133 598213057 8881163077 115455120001