Search a number
-
+
86702404007873 = 19293720992026121
BaseRepresentation
bin10011101101101011111001…
…111111011111011111000001
3102100222200001121110020002202
4103231223321333133133001
542331013010411222443
6504222311243122545
724156020253153413
oct2355537177373701
9370880047406082
1086702404007873
112569831280a955
12988360b813455
13394c00371bbc4
14175a5c106c9b3
15a054dda427b8
hex4edaf9fdf7c1

86702404007873 has 32 divisors (see below), whose sum is σ = 97010721360000. Its totient is φ = 77126510845440.

The previous prime is 86702404007867. The next prime is 86702404007881. The reversal of 86702404007873 is 37870040420768.

It is a happy number.

It is not a de Polignac number, because 86702404007873 - 28 = 86702404007617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86702404004873) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41779253 + ... + 43805373.

It is an arithmetic number, because the mean of its divisors is an integer number (3031585042500).

Almost surely, 286702404007873 is an apocalyptic number.

It is an amenable number.

86702404007873 is a deficient number, since it is larger than the sum of its proper divisors (10308317352127).

86702404007873 is a wasteful number, since it uses less digits than its factorization.

86702404007873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2028305.

The product of its (nonzero) digits is 12644352, while the sum is 56.

The spelling of 86702404007873 in words is "eighty-six trillion, seven hundred two billion, four hundred four million, seven thousand, eight hundred seventy-three".

Divisors: 1 19 29 37 551 703 1073 2099 20387 39881 60871 77663 1156549 1475597 2026121 2252227 38496299 42792313 58757509 74966477 1116392671 1424363063 2174027833 4252827979 41306528827 80803731601 123332011391 157354635223 2343308216429 2989738069237 4563284421467 86702404007873