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115012315145 = 57213472513061
BaseRepresentation
bin110101100011101000…
…1001010100000001001
3101222212101221222010202
41223013101022200021
53341021123041040
6124500321021545
711211053356100
oct1530721124011
9358771858122
10115012315145
114485a4a9722
121a3594848b5
13aacba7b060
1457d0b6d037
152ed2183015
hex1ac744a809

115012315145 has 96 divisors (see below), whose sum is σ = 177337714176. Its totient is φ = 70943040000.

The previous prime is 115012315141. The next prime is 115012315153. The reversal of 115012315145 is 541513210511.

It is a happy number.

It is not a de Polignac number, because 115012315145 - 22 = 115012315141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115012315141) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 37571915 + ... + 37574975.

It is an arithmetic number, because the mean of its divisors is an integer number (1847267856).

Almost surely, 2115012315145 is an apocalyptic number.

It is an amenable number.

115012315145 is a deficient number, since it is larger than the sum of its proper divisors (62325399031).

115012315145 is a wasteful number, since it uses less digits than its factorization.

115012315145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3391 (or 3384 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 29.

Adding to 115012315145 its reverse (541513210511), we get a palindrome (656525525656).

The spelling of 115012315145 in words is "one hundred fifteen billion, twelve million, three hundred fifteen thousand, one hundred forty-five".

Divisors: 1 5 7 13 35 47 49 65 91 235 245 251 329 455 611 637 1255 1645 1757 2303 3055 3061 3185 3263 4277 8785 11515 11797 12299 15305 16315 21385 21427 22841 29939 39793 58985 61495 82579 107135 114205 143867 149695 149989 153361 159887 198965 278551 412895 578053 719335 749945 766805 768311 799435 1007069 1073527 1392755 1870271 1949857 2890265 3841555 5035345 5367635 5378177 7049483 7514689 9351355 9749285 9988043 13091897 26890885 35247415 36110617 37573445 37647239 49940215 65459485 69916301 91643279 180553085 188236195 252774319 349581505 458216395 469438021 489414107 1263871595 1769420233 2347190105 2447070535 3286066147 8847101165 16430330735 23002463029 115012315145