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115454144204155 = 5731013131809147
BaseRepresentation
bin11010010000000101000011…
…010000001100110101111011
3120010210022022211002211111201
4122100011003100030311323
5110113100041404013110
61045314522430435031
733214200215362441
oct3220050320146573
9503708284084451
10115454144204155
113387291157a009
1210b47953362a77
134c563821b4c83
14207202074ab91
15d53361e2eb3a
hex69014340cd7b

115454144204155 has 16 divisors (see below), whose sum is σ = 141833372694624. Its totient is φ = 90196103404800.

The previous prime is 115454144204141. The next prime is 115454144204159. The reversal of 115454144204155 is 551402441454511.

It is a happy number.

It is not a de Polignac number, because 115454144204155 - 25 = 115454144204123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115454144204159) 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, 1565867709 + ... + 1565941438.

It is an arithmetic number, because the mean of its divisors is an integer number (8864585793414).

Almost surely, 2115454144204155 is an apocalyptic number.

115454144204155 is a deficient number, since it is larger than the sum of its proper divisors (26379228490469).

115454144204155 is a wasteful number, since it uses less digits than its factorization.

115454144204155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3131809326.

The product of its (nonzero) digits is 1280000, while the sum is 46.

Adding to 115454144204155 its reverse (551402441454511), we get a palindrome (666856585658666).

The spelling of 115454144204155 in words is "one hundred fifteen trillion, four hundred fifty-four billion, one hundred forty-four million, two hundred four thousand, one hundred fifty-five".

Divisors: 1 5 73 101 365 505 7373 36865 3131809147 15659045735 228622067731 316312723847 1143110338655 1581563619235 23090828840831 115454144204155