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49519986080655 = 3534976917836899
BaseRepresentation
bin10110100001001110001010…
…01011011111101110001111
320111100001201222021122101210
423100213011023133232033
522442313412414040110
6253153100105105503
713300462263423246
oct1320470513375617
9214301658248353
1049519986080655
1114862343182922
12567937b188293
13218293a11833c
14c32acc8c595d
155ad1dd948520
hex2d09c52dfb8f

49519986080655 has 64 divisors (see below), whose sum is σ = 79618492800000. Its totient is φ = 26282177298432.

The previous prime is 49519986080629. The next prime is 49519986080657. The reversal of 49519986080655 is 55608068991594.

It is not a de Polignac number, because 49519986080655 - 28 = 49519986080399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49519986080657) 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, 7177846396 + ... + 7177853294.

It is an arithmetic number, because the mean of its divisors is an integer number (1244038950000).

Almost surely, 249519986080655 is an apocalyptic number.

49519986080655 is a deficient number, since it is larger than the sum of its proper divisors (30098506719345).

49519986080655 is a wasteful number, since it uses less digits than its factorization.

49519986080655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9808.

The product of its (nonzero) digits is 839808000, while the sum is 75.

The spelling of 49519986080655 in words is "forty-nine trillion, five hundred nineteen billion, nine hundred eighty-six million, eighty thousand, six hundred fifty-five".

Divisors: 1 3 5 15 349 769 1047 1745 1783 2307 3845 5235 5349 6899 8915 11535 20697 26745 34495 103485 268381 622267 805143 1341905 1371127 1866801 2407751 3111335 4025715 4113381 5305331 6855635 7223253 9334005 12038755 12300917 15915993 20566905 26526655 36116265 36902751 61504585 79579965 184513755 478523323 1435569969 1851560519 2392616615 4293020033 5554681557 7177849845 9257802595 9459405173 12879060099 21465100165 27773407785 28378215519 47297025865 64395300495 141891077595 3301332405377 9903997216131 16506662026885 49519986080655