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6900012780903 = 32111731143930029
BaseRepresentation
bin110010001101000100011…
…0011111000110101100111
3220102122010202100222020100
41210122020303320311213
51401022211232442103
622401453324235143
71311336514632624
oct144321063706547
926378122328210
106900012780903
112220308371780
1293532839bab3
133b088c672468
1419bd68b8134b
15be74268b5a3
hex64688cf8d67

6900012780903 has 96 divisors (see below), whose sum is σ = 11576031667200. Its totient is φ = 3914113766400.

The previous prime is 6900012780889. The next prime is 6900012780943. The reversal of 6900012780903 is 3090872100096.

It is not a de Polignac number, because 6900012780903 - 26 = 6900012780839 is a prime.

It is a super-2 number, since 2×69000127809032 (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6900012780943) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 229763293 + ... + 229793321.

It is an arithmetic number, because the mean of its divisors is an integer number (120583663200).

Almost surely, 26900012780903 is an apocalyptic number.

6900012780903 is a deficient number, since it is larger than the sum of its proper divisors (4676018886297).

6900012780903 is a wasteful number, since it uses less digits than its factorization.

6900012780903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30813 (or 30810 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

Adding to 6900012780903 its reverse (3090872100096), we get a palindrome (9990884880999).

The spelling of 6900012780903 in words is "six trillion, nine hundred billion, twelve million, seven hundred eighty thousand, nine hundred three".

Divisors: 1 3 9 11 17 33 51 99 153 187 311 439 561 933 1317 1683 2799 3421 3951 4829 5287 7463 10263 14487 15861 22389 30029 30789 43461 47583 58157 67167 82093 90087 136529 174471 246279 270261 330319 409587 510493 523413 738837 990957 1228761 1501819 1531479 2320993 2972871 4505457 4594437 5615423 6962979 9339019 13182731 13516371 16846269 20888937 25530923 28017057 39548193 50538807 76592769 84051171 102729209 118644579 145010041 158763323 224106427 229778307 308187627 435030123 476289969 672319281 924562881 1305090369 1428869907 1746396553 2016957843 2465170697 4099829341 5239189659 7395512091 12299488023 15717568977 22186536273 36898464069 45098122751 69697098797 135294368253 209091296391 405883104759 627273889173 766668086767 2300004260301 6900012780903