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121323102211300 = 225211743148443781
BaseRepresentation
bin11011100101011110111100…
…011010010000110011100100
3120220120101010121000102022011
4123211132330122100303210
5111400224203131230200
61110011021433044004
734361206400340343
oct3345367432206344
9526511117012264
10121323102211300
1135725925347710
1211735291556604
13529094781c412
1421d60d8911b5a
15e05d5b82a5ba
hex6e57bc690ce4

121323102211300 has 72 divisors (see below), whose sum is σ = 287591420596032. Its totient is φ = 44058113904000.

The previous prime is 121323102211277. The next prime is 121323102211379. The reversal of 121323102211300 is 3112201323121.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73404591 + ... + 75039190.

It is an arithmetic number, because the mean of its divisors is an integer number (3994325286056).

Almost surely, 2121323102211300 is an apocalyptic number.

121323102211300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121323102211300 is an abundant number, since it is smaller than the sum of its proper divisors (166268318384732).

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

121323102211300 is a wasteful number, since it uses less digits than its factorization.

121323102211300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148444549 (or 148444542 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 121323102211300 its reverse (3112201323121), we get a palindrome (124435303534421).

The spelling of 121323102211300 in words is "one hundred twenty-one trillion, three hundred twenty-three billion, one hundred two million, two hundred eleven thousand, three hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 275 550 743 1100 1486 2972 3715 7430 8173 14860 16346 18575 32692 37150 40865 74300 81730 163460 204325 408650 817300 148443781 296887562 593775124 742218905 1484437810 1632881591 2968875620 3265763182 3711094525 6531526364 7422189050 8164407955 14844378100 16328815910 32657631820 40822039775 81644079550 110293729283 163288159100 220587458566 441174917132 551468646415 1102937292830 1213231022113 2205874585660 2426462044226 2757343232075 4852924088452 5514686464150 6066155110565 11029372928300 12132310221130 24264620442260 30330775552825 60661551105650 121323102211300