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493861786873 = 72133126395093
BaseRepresentation
bin1110010111111000111…
…01001101010011111001
31202012202002002011210121
413023330131031103321
531042412104134443
61014513232013241
750452232632300
oct7137435152371
91665662064717
10493861786873
1118049a116094
127b869391221
133775654c0c0
1419c8dd17437
15cca6ce84ed
hex72fc74d4f9

493861786873 has 48 divisors (see below), whose sum is σ = 641076581376. Its totient is φ = 376701252480.

The previous prime is 493861786867. The next prime is 493861786927. The reversal of 493861786873 is 378687168394.

It is a happy number.

It is not a de Polignac number, because 493861786873 - 225 = 493828232441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (493861784873) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5145915 + ... + 5241007.

It is an arithmetic number, because the mean of its divisors is an integer number (13355762112).

Almost surely, 2493861786873 is an apocalyptic number.

It is an amenable number.

493861786873 is a deficient number, since it is larger than the sum of its proper divisors (147214794503).

493861786873 is a wasteful number, since it uses less digits than its factorization.

493861786873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95414 (or 95407 counting only the distinct ones).

The product of its digits is 292626432, while the sum is 70.

The spelling of 493861786873 in words is "four hundred ninety-three billion, eight hundred sixty-one million, seven hundred eighty-six thousand, eight hundred seventy-three".

Divisors: 1 7 13 31 49 91 217 263 403 637 1519 1841 2821 3419 8153 12887 19747 23933 57071 95093 105989 167531 399497 665651 741923 1236209 2947883 4659557 5193461 8653463 20635181 25009459 38322479 60574241 144446267 175066213 268257353 325122967 775293229 1225463491 1877801471 2275860769 5427052603 10078811977 15931025383 37989368221 70551683839 493861786873