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6880249920999 = 3713233121935099
BaseRepresentation
bin110010000011110111011…
…0110100011110111100111
3220100202010110001200001010
41210013232312203313213
51400211222434432444
622344424305433303
71310040002250360
oct144075666436747
926322113050033
106880249920999
112212996792604
1293153193b833
133aba60156a10
1419b012188b67
15bde876642b9
hex641eeda3de7

6880249920999 has 64 divisors (see below), whose sum is σ = 11782278144000. Its totient is φ = 3471143905152.

The previous prime is 6880249920983. The next prime is 6880249921001. The reversal of 6880249920999 is 9990299420886.

It is not a de Polignac number, because 6880249920999 - 24 = 6880249920983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6880249920999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6880249920949) 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, 196006552 + ... + 196041650.

It is an arithmetic number, because the mean of its divisors is an integer number (184098096000).

Almost surely, 26880249920999 is an apocalyptic number.

6880249920999 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

6880249920999 is a deficient number, since it is larger than the sum of its proper divisors (4902028223001).

6880249920999 is a wasteful number, since it uses less digits than its factorization.

6880249920999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66364.

The product of its (nonzero) digits is 362797056, while the sum is 75.

The spelling of 6880249920999 in words is "six trillion, eight hundred eighty billion, two hundred forty-nine million, nine hundred twenty thousand, nine hundred ninety-nine".

Divisors: 1 3 7 13 21 23 39 69 91 161 273 299 483 897 2093 6279 31219 35099 93657 105297 218533 245693 405847 456287 655599 718037 737079 807277 1217541 1368861 2154111 2421831 2840929 3194009 5026259 5650939 8522787 9334481 9582027 10494601 15078777 16952817 28003443 31483803 65341367 73462207 196024101 220386621 1095755681 3287267043 7670289767 14244823853 23010869301 25202380663 42734471559 75607141989 99713766971 176416664641 299141300913 327630948619 529249993923 982892845857 2293416640333 6880249920999