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130668784015 = 57113153251823
BaseRepresentation
bin111100110110001110…
…1110110100110001111
3110111021112100222211011
41321230131312212033
54120102202042030
6140010045310051
712304044223660
oct1715435664617
9414245328734
10130668784015
11504641384a0
12213a8865327
13c425604613
146478239367
1535eb91bb2a
hex1e6c77698f

130668784015 has 128 divisors (see below), whose sum is σ = 206677868544. Its totient is φ = 76939200000.

The previous prime is 130668784007. The next prime is 130668784067. The reversal of 130668784015 is 510487866031.

It is a happy number.

It is not a de Polignac number, because 130668784015 - 23 = 130668784007 is a prime.

It is a super-2 number, since 2×1306687840152 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 130668784015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 158770894 + ... + 158771716.

It is an arithmetic number, because the mean of its divisors is an integer number (1614670848).

Almost surely, 2130668784015 is an apocalyptic number.

130668784015 is a deficient number, since it is larger than the sum of its proper divisors (76009084529).

130668784015 is a wasteful number, since it uses less digits than its factorization.

130668784015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181.

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 130668784015 in words is "one hundred thirty billion, six hundred sixty-eight million, seven hundred eighty-four thousand, fifteen".

Divisors: 1 5 7 11 31 35 53 55 77 155 217 251 265 341 371 385 583 823 1085 1255 1643 1705 1757 1855 2387 2761 2915 4081 4115 5761 7781 8215 8785 9053 11501 11935 13303 13805 18073 19327 20405 25513 28805 38905 43619 45265 54467 57505 63371 66515 85591 90365 93121 96635 126511 127565 146333 178591 206573 218095 272335 280643 305333 316855 412393 427955 465605 479809 599137 632555 731665 892955 1024331 1032865 1352189 1403215 1446011 1526665 1964501 2061965 2272303 2399045 2886751 2995685 3358663 4536323 5121655 6403763 6760945 7230055 9465323 9822505 10948369 11361515 14433755 14874079 15906121 16793315 22681615 31754261 32018815 44826341 47326615 54741845 70441393 74370395 76638583 79530605 104118553 120432059 158771305 224131705 339399439 352206965 383192915 493089751 520592765 602160295 843024413 1696997195 2375796073 2465448755 3733393829 4215122065 11878980365 18666969145 26133756803 130668784015