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6412889121207 = 321111878534917
BaseRepresentation
bin101110101010001110111…
…1110100110000110110111
3211201001210021021010020120
41131110131332212012313
51320032044103334312
621350012433503023
71231213241065062
oct135243576460667
924631707233216
106412889121207
1120527667a8338
12876a3b711a73
1337696b0ba77a
14182557ad78d9
15b1c321d028c
hex5d51dfa61b7

6412889121207 has 16 divisors (see below), whose sum is σ = 8598281231232. Its totient is φ = 4251412357920.

The previous prime is 6412889121139. The next prime is 6412889121211. The reversal of 6412889121207 is 7021219882146.

It is not a de Polignac number, because 6412889121207 - 220 = 6412888072631 is a prime.

It is a super-2 number, since 2×64128891212072 (a number of 26 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 6412889121207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6412889121257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3516088 + ... + 5018829.

It is an arithmetic number, because the mean of its divisors is an integer number (537392576952).

Almost surely, 26412889121207 is an apocalyptic number.

6412889121207 is a deficient number, since it is larger than the sum of its proper divisors (2185392110025).

6412889121207 is a wasteful number, since it uses less digits than its factorization.

6412889121207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8536318.

The product of its (nonzero) digits is 774144, while the sum is 51.

The spelling of 6412889121207 in words is "six trillion, four hundred twelve billion, eight hundred eighty-nine million, one hundred twenty-one thousand, two hundred seven".

Divisors: 1 3 211 633 1187 3561 250457 751371 8534917 25604751 1800867487 5402602461 10130946479 30392839437 2137629707069 6412889121207