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121320463556404 = 22779726561204679
BaseRepresentation
bin11011100101011100011111…
…001000100101111100110100
3120220120010022200220212021001
4123211130133020211330310
5111400203302132301104
61110005503533333044
734361054120213050
oct3345343710457464
9526503280825231
10121320463556404
11357247a0950192
1211734875937184
135290616c63c68
1421d5d282cac60
15e05c54d61aa4
hex6e571f225f34

121320463556404 has 48 divisors (see below), whose sum is σ = 242955703630080. Its totient is φ = 51927037839360.

The previous prime is 121320463556371. The next prime is 121320463556407. The reversal of 121320463556404 is 404655364023121.

It is a super-2 number, since 2×1213204635564042 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121320463556407) 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, 592632937 + ... + 592837615.

It is an arithmetic number, because the mean of its divisors is an integer number (5061577158960).

Almost surely, 2121320463556404 is an apocalyptic number.

121320463556404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

121320463556404 is an abundant number, since it is smaller than the sum of its proper divisors (121635240073676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121320463556404 is a wasteful number, since it uses less digits than its factorization.

121320463556404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232048 (or 232046 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 46.

The spelling of 121320463556404 in words is "one hundred twenty-one trillion, three hundred twenty billion, four hundred sixty-three million, five hundred fifty-six thousand, four hundred four".

Divisors: 1 2 4 7 14 28 797 1594 3188 5579 11158 22316 26561 53122 106244 185927 204679 371854 409358 743708 818716 1432753 2865506 5731012 21169117 42338234 84676468 148183819 163129163 296367638 326258326 592735276 652516652 1141904141 2283808282 4567616564 5436478919 10872957838 21745915676 38055352433 76110704866 152221409732 4332873698443 8665747396886 17331494793772 30330115889101 60660231778202 121320463556404