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72648715382125 = 5329119231680871
BaseRepresentation
bin10000100001001011011000…
…110111111010110101101101
3100112020011000212220111102221
4100201023120313322311231
534010234032114212000
6414302205322315341
721205460614635211
oct2041133067726555
9315204025814387
1072648715382125
112116a168981093
128193983958b51
13316c98a78786c
1413d2306450941
1585eb5e53361a
hex4212d8dfad6d

72648715382125 has 32 divisors (see below), whose sum is σ = 93799918967040. Its totient is φ = 56110129992000.

The previous prime is 72648715382123. The next prime is 72648715382171. The reversal of 72648715382125 is 52128351784627.

It is not a de Polignac number, because 72648715382125 - 21 = 72648715382123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72648715382123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42380440 + ... + 44061310.

It is an arithmetic number, because the mean of its divisors is an integer number (2931247467720).

Almost surely, 272648715382125 is an apocalyptic number.

It is an amenable number.

72648715382125 is a deficient number, since it is larger than the sum of its proper divisors (21151203584915).

72648715382125 is a wasteful number, since it uses less digits than its factorization.

72648715382125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1692838 (or 1692828 counting only the distinct ones).

The product of its digits is 45158400, while the sum is 61.

The spelling of 72648715382125 in words is "seventy-two trillion, six hundred forty-eight billion, seven hundred fifteen million, three hundred eighty-two thousand, one hundred twenty-five".

Divisors: 1 5 25 29 125 145 725 3625 11923 59615 298075 345767 1490375 1680871 1728835 8404355 8644175 42021775 43220875 48745259 210108875 243726295 1218631475 6093157375 20041024933 100205124665 501025623325 581189723057 2505128116625 2905948615285 14529743076425 72648715382125