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122940233472 = 283722868347
BaseRepresentation
bin111001001111111001…
…1110001011100000000
3102202022220201221120110
41302133303301130000
54003240144432342
6132251123511320
711611400512440
oct1623763613400
9382286657513
10122940233472
1148158614041
121b9b0528540
13b7933a3ca4
145d43a32120
1532e8190c9c
hex1c9fcf1700

122940233472 has 72 divisors (see below), whose sum is σ = 373943226496. Its totient is φ = 35125779456.

The previous prime is 122940233467. The next prime is 122940233483. The reversal of 122940233472 is 274332049221.

It is a super-2 number, since 2×1229402334722 (a number of 23 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 122940233472.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11428798 + ... + 11439549.

Almost surely, 2122940233472 is an apocalyptic number.

122940233472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122940233472 is an abundant number, since it is smaller than the sum of its proper divisors (251002993024).

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

122940233472 is an equidigital number, since it uses as much as digits as its factorization.

122940233472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22868373 (or 22868359 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 39.

The spelling of 122940233472 in words is "one hundred twenty-two billion, nine hundred forty million, two hundred thirty-three thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 128 168 192 224 256 336 384 448 672 768 896 1344 1792 2688 5376 22868347 45736694 68605041 91473388 137210082 160078429 182946776 274420164 320156858 365893552 480235287 548840328 640313716 731787104 960470574 1097680656 1280627432 1463574208 1920941148 2195361312 2561254864 2927148416 3841882296 4390722624 5122509728 5854296832 7683764592 8781445248 10245019456 15367529184 17562890496 20490038912 30735058368 40980077824 61470116736 122940233472