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29223014720 = 265891815669
BaseRepresentation
bin11011001101110100…
…111101000101000000
32210102121020221221112
4123031310331011000
5434322042432340
621231434342452
72053113345434
oct331564750500
983377227845
1029223014720
11114366a2539
1257b688aa28
1329a940c8b3
1415b31909c4
15b607eb065
hex6cdd3d140

29223014720 has 112 divisors (see below), whose sum is σ = 70770445200. Its totient is φ = 11491983360.

The previous prime is 29223014719. The next prime is 29223014729. The reversal of 29223014720 is 2741032292.

It can be written as a sum of positive squares in 8 ways, for example, as 12511764736 + 16711249984 = 111856^2 + 129272^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29223014729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5152046 + ... + 5157714.

It is an arithmetic number, because the mean of its divisors is an integer number (631878975).

Almost surely, 229223014720 is an apocalyptic number.

29223014720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29223014720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35385222600).

29223014720 is an abundant number, since it is smaller than the sum of its proper divisors (41547430480).

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

29223014720 is a wasteful number, since it uses less digits than its factorization.

29223014720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5956 (or 5946 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The spelling of 29223014720 in words is "twenty-nine billion, two hundred twenty-three million, fourteen thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 89 160 178 181 320 356 362 445 712 724 890 905 1424 1448 1780 1810 2848 2896 3560 3620 5669 5696 5792 7120 7240 11338 11584 14240 14480 16109 22676 28345 28480 28960 32218 45352 56690 57920 64436 80545 90704 113380 128872 161090 181408 226760 257744 322180 362816 453520 504541 515488 644360 907040 1009082 1026089 1030976 1288720 1814080 2018164 2052178 2522705 2577440 4036328 4104356 5045410 5130445 5154880 8072656 8208712 10090820 10260890 16145312 16417424 20181640 20521780 32290624 32834848 40363280 41043560 65669696 80726560 82087120 91321921 161453120 164174240 182643842 328348480 365287684 456609605 730575368 913219210 1461150736 1826438420 2922301472 3652876840 5844602944 7305753680 14611507360 29223014720