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47985768087607 = 72191032112371609
BaseRepresentation
bin10101110100100100011101…
…01010010100000000110111
320021220101122200110100121101
422322102032222110000313
522242144323112300412
6250020205121030531
713051600031565100
oct1272221652240067
9207811580410541
1047985768087607
111432071710a939
12546bb68785447
1320a106680118c
14bbc7489533a7
155833474de457
hex2ba48ea94037

47985768087607 has 48 divisors (see below), whose sum is σ = 59609753299200. Its totient is φ = 38404681580160.

The previous prime is 47985768087553. The next prime is 47985768087671. The reversal of 47985768087607 is 70678086758974.

It is not a de Polignac number, because 47985768087607 - 27 = 47985768087479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47985768081607) 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, 19047619 + ... + 21419227.

It is an arithmetic number, because the mean of its divisors is an integer number (1241869860400).

Almost surely, 247985768087607 is an apocalyptic number.

47985768087607 is a deficient number, since it is larger than the sum of its proper divisors (11623985211593).

47985768087607 is a wasteful number, since it uses less digits than its factorization.

47985768087607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2371956 (or 2371949 counting only the distinct ones).

The product of its (nonzero) digits is 7965941760, while the sum is 82.

The spelling of 47985768087607 in words is "forty-seven trillion, nine hundred eighty-five billion, seven hundred sixty-eight million, eighty-seven thousand, six hundred seven".

Divisors: 1 7 19 49 103 133 211 721 931 1477 1957 4009 5047 10339 13699 21733 28063 95893 152131 196441 412927 1064917 2371609 2890489 16601263 20233423 45060571 116208841 244275727 315423997 500409499 1709930089 2207967979 3502866493 4641238813 9507780481 11969510623 24520065451 32488671691 51542178397 66554463367 227420701837 360795248779 465881243569 979301389543 2525566741453 6855109726801 47985768087607