Search a number
-
+
87272514805206 = 23359134161301999
BaseRepresentation
bin10011110101111110110111…
…001111100101110111010110
3102110000011121121111110120210
4103311332313033211313112
542414333102242231311
6505340235000110250
724245142163035033
oct2365766717456726
9373004547443523
1087272514805206
112589807a466065
129955bb8765386
1339909bbc38573
14177a0258aa38a
15a152598703a6
hex4f5fb73e5dd6

87272514805206 has 32 divisors (see below), whose sum is σ = 175033111680000. Its totient is φ = 29009493002880.

The previous prime is 87272514805181. The next prime is 87272514805243. The reversal of 87272514805206 is 60250841527278.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 288831795 + ... + 289133793.

It is an arithmetic number, because the mean of its divisors is an integer number (5469784740000).

Almost surely, 287272514805206 is an apocalyptic number.

87272514805206 is an abundant number, since it is smaller than the sum of its proper divisors (87760596874794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87272514805206 is a wasteful number, since it uses less digits than its factorization.

87272514805206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436524.

The product of its (nonzero) digits is 15052800, while the sum is 57.

The spelling of 87272514805206 in words is "eighty-seven trillion, two hundred seventy-two billion, five hundred fourteen million, eight hundred five thousand, two hundred six".

Divisors: 1 2 3 6 359 718 1077 2154 134161 268322 301999 402483 603998 804966 905997 1811994 48163799 96327598 108417641 144491397 216835282 288982794 325252923 650505846 40516487839 81032975678 121549463517 243098927034 14545419134201 29090838268402 43636257402603 87272514805206