Search a number
-
+
13857500906727 = 3532273496171783
BaseRepresentation
bin1100100110100111001101…
…1010110100010011100111
31211001202122001201222112020
43021221303122310103213
53304020130213003402
645250014212554223
72630112535140042
oct311516332642347
954052561658466
1013857500906727
114462a29aa7805
121679815022973
137969ab6bc44a
1435c9c6d87c59
151906eaace8bc
hexc9a736b44e7

13857500906727 has 64 divisors (see below), whose sum is σ = 19003778841600. Its totient is φ = 8978616751104.

The previous prime is 13857500906701. The next prime is 13857500906747. The reversal of 13857500906727 is 72760900575831.

It is a happy number.

It is not a de Polignac number, because 13857500906727 - 26 = 13857500906663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13857500906747) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7772013078 + ... + 7772014860.

It is an arithmetic number, because the mean of its divisors is an integer number (296934044400).

Almost surely, 213857500906727 is an apocalyptic number.

13857500906727 is a deficient number, since it is larger than the sum of its proper divisors (5146277934873).

13857500906727 is a wasteful number, since it uses less digits than its factorization.

13857500906727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3032.

The product of its (nonzero) digits is 22226400, while the sum is 60.

The spelling of 13857500906727 in words is "thirteen trillion, eight hundred fifty-seven billion, five hundred million, nine hundred six thousand, seven hundred twenty-seven".

Divisors: 1 3 53 159 227 349 617 681 1047 1783 1851 5349 12031 18497 32701 36093 55491 79223 94499 98103 140059 215333 237669 283497 404741 420177 622267 645999 1100111 1214223 1866801 3300333 4198819 7423127 11412649 12596457 21451273 22269381 32980151 34237947 48880591 58305883 64353819 98940453 141254609 146641773 174917649 249725197 383938739 423763827 749175591 1151816217 2590671323 7486494277 7772013969 13235435441 20348753167 22459482831 39706306323 61046259501 87154093753 261462281259 4619166968909 13857500906727