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6411894904285 = 513769157981239
BaseRepresentation
bin101110101001110001010…
…1101111101010111011101
3211200222012222110200000121
41131103202231331113131
51320023030043414120
621345330040154541
71231146506301343
oct135234255752735
924628188420017
106411894904285
1120522a6574462
12876802768a51
13376840126930
141824a1a53993
15b1bc4c925aa
hex5d4e2b7d5dd

6411894904285 has 32 divisors (see below), whose sum is σ = 8302273056000. Its totient is φ = 4725727543296.

The previous prime is 6411894904249. The next prime is 6411894904319. The reversal of 6411894904285 is 5824094981146.

It is a cyclic number.

It is not a de Polignac number, because 6411894904285 - 27 = 6411894904157 is a prime.

It is a super-2 number, since 2×64118949042852 (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78885696 + ... + 78966934.

It is an arithmetic number, because the mean of its divisors is an integer number (259446033000).

Almost surely, 26411894904285 is an apocalyptic number.

6411894904285 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6411894904285 is a deficient number, since it is larger than the sum of its proper divisors (1890378151715).

6411894904285 is a wasteful number, since it uses less digits than its factorization.

6411894904285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83605.

The product of its (nonzero) digits is 19906560, while the sum is 61.

The spelling of 6411894904285 in words is "six trillion, four hundred eleven billion, eight hundred ninety-four million, nine hundred four thousand, two hundred eighty-five".

Divisors: 1 5 13 65 769 1579 3845 7895 9997 20527 49985 81239 102635 406195 1056107 1214251 5280535 6071255 15785263 62472791 78926315 128276381 312363955 641381905 812146283 1667592953 4060731415 8337964765 98644536989 493222684945 1282378980857 6411894904285