Search a number
-
+
14177891667894 = 2319263580181517
BaseRepresentation
bin1100111001010000110000…
…1100100100111110110110
31212012101121122111000001220
43032110030030210332312
53324242310231333034
650053122234531210
72662214241521613
oct316241414447666
955171548430056
1014177891667894
1145768a0258739
12170b92b296b06
137bac7ab50cb6
143702dc24d50a
15198bed495749
hexce50c324fb6

14177891667894 has 64 divisors (see below), whose sum is σ = 29967216744960. Its totient is φ = 4459381689600.

The previous prime is 14177891667869. The next prime is 14177891667899. The reversal of 14177891667894 is 49876619877141.

14177891667894 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×141778916678942 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14177891667899) 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, 173884824 + ... + 173966340.

It is an arithmetic number, because the mean of its divisors is an integer number (468237761640).

Almost surely, 214177891667894 is an apocalyptic number.

14177891667894 is an abundant number, since it is smaller than the sum of its proper divisors (15789325077066).

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

14177891667894 is a wasteful number, since it uses less digits than its factorization.

14177891667894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87605.

The product of its digits is 1024192512, while the sum is 78.

The spelling of 14177891667894 in words is "fourteen trillion, one hundred seventy-seven billion, eight hundred ninety-one million, six hundred sixty-seven thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 19 38 57 114 263 526 789 1578 4997 5801 9994 11602 14991 17403 29982 34806 81517 110219 163034 220438 244551 330657 489102 661314 1525663 1548823 3051326 3097646 4576989 4646469 9153978 9292938 21438971 28987597 42877942 57975194 64316913 86962791 128633826 173925582 407340449 472880117 814680898 945760234 1222021347 1418640351 2444042694 2837280702 8984722223 17969444446 26954166669 53908333338 124367470771 248734941542 373102412313 746204824626 2362981944649 4725963889298 7088945833947 14177891667894