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121323220232984 = 237111009195196511
BaseRepresentation
bin11011100101011111000011…
…011100011110101100011000
3120220120101102211002112121122
4123211133003130132230120
5111400224423334423414
61110011041250424412
734361212332452030
oct3345370334365430
9526511384075548
10121323220232984
1135725985a280a0
1211735304b92108
135290966102a33
1421d610a4748c0
15e05d66d8eb8e
hex6e57c371eb18

121323220232984 has 64 divisors (see below), whose sum is σ = 283893807052800. Its totient is φ = 47221939699200.

The previous prime is 121323220232983. The next prime is 121323220233037. The reversal of 121323220232984 is 489232022323121.

It is a super-2 number, since 2×1213232202329842 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121323220232983) 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, 96976712 + ... + 98219799.

It is an arithmetic number, because the mean of its divisors is an integer number (4435840735200).

Almost surely, 2121323220232984 is an apocalyptic number.

121323220232984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

121323220232984 is an abundant number, since it is smaller than the sum of its proper divisors (162570586819816).

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

121323220232984 is a wasteful number, since it uses less digits than its factorization.

121323220232984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195197544 (or 195197540 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 44.

The spelling of 121323220232984 in words is "one hundred twenty-one trillion, three hundred twenty-three billion, two hundred twenty million, two hundred thirty-two thousand, nine hundred eighty-four".

Divisors: 1 2 4 7 8 11 14 22 28 44 56 77 88 154 308 616 1009 2018 4036 7063 8072 11099 14126 22198 28252 44396 56504 77693 88792 155386 310772 621544 195196511 390393022 780786044 1366375577 1561572088 2147161621 2732751154 4294323242 5465502308 8588646484 10931004616 15030131347 17177292968 30060262694 60120525388 120241050776 196953279599 393906559198 787813118396 1378672957193 1575626236792 2166486075589 2757345914386 4332972151178 5514691828772 8665944302356 11029383657544 15165402529123 17331888604712 30330805058246 60661610116492 121323220232984