Search a number
-
+
230502512471 = 71129563183349
BaseRepresentation
bin1101011010101100000…
…1010011011101010111
3211000222010010212101112
43112223001103131113
512234032120344341
6253520312445235
722440032012540
oct3265301233527
9730863125345
10230502512471
11898347282a0
123880a9a981b
1318975838b1a
14b2291774c7
155ee1260aeb
hex35ab053757

230502512471 has 32 divisors (see below), whose sum is σ = 297819072000. Its totient is φ = 173109847680.

The previous prime is 230502512411. The next prime is 230502512497. The reversal of 230502512471 is 174215205032.

It is not a de Polignac number, because 230502512471 - 226 = 230435403607 is a prime.

It is a super-3 number, since 3×2305025124713 (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230502512411) 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, 1165505 + ... + 1348853.

It is an arithmetic number, because the mean of its divisors is an integer number (9306846000).

Almost surely, 2230502512471 is an apocalyptic number.

230502512471 is a deficient number, since it is larger than the sum of its proper divisors (67316559529).

230502512471 is a wasteful number, since it uses less digits than its factorization.

230502512471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183959.

The product of its (nonzero) digits is 16800, while the sum is 32.

The spelling of 230502512471 in words is "two hundred thirty billion, five hundred two million, five hundred twelve thousand, four hundred seventy-one".

Divisors: 1 7 11 29 77 203 319 563 2233 3941 6193 16327 43351 114289 179597 183349 1257179 1283443 2016839 5317121 14117873 37219847 58488331 103225487 409418317 722578409 1135480357 2993539123 7948362499 20954773861 32928930353 230502512471