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78213700723375 = 5372329359373297
BaseRepresentation
bin10001110010001010001011…
…110110010010001010101111
3101020221011020021121201101101
4101302022023312102022233
540222423124341122000
6434202513355423531
722321516262600230
oct2162121366221257
9336834207551341
1078213700723375
1122a15276038838
12893240a154ba7
13348469c222429
1415457c5a37087
159097b7ae8e6a
hex47228bd922af

78213700723375 has 128 divisors (see below), whose sum is σ = 120755034316800. Its totient is φ = 49393332172800.

The previous prime is 78213700723313. The next prime is 78213700723427. The reversal of 78213700723375 is 57332700731287.

It is not a de Polignac number, because 78213700723375 - 241 = 76014677467823 is a prime.

It is a super-2 number, since 2×782137007233752 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 209334727 + ... + 209708023.

It is an arithmetic number, because the mean of its divisors is an integer number (943398705600).

Almost surely, 278213700723375 is an apocalyptic number.

78213700723375 is a deficient number, since it is larger than the sum of its proper divisors (42541333593425).

78213700723375 is a wasteful number, since it uses less digits than its factorization.

78213700723375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373730 (or 373720 counting only the distinct ones).

The product of its (nonzero) digits is 10372320, while the sum is 55.

The spelling of 78213700723375 in words is "seventy-eight trillion, two hundred thirteen billion, seven hundred million, seven hundred twenty-three thousand, three hundred seventy-five".

Divisors: 1 5 7 23 25 29 35 115 125 145 161 175 203 359 575 667 725 805 875 1015 1795 2513 2875 3335 3625 4025 4669 5075 8257 8975 10411 12565 16675 20125 23345 25375 41285 44875 52055 57799 62825 72877 83375 116725 206425 239453 260275 288995 314125 364385 373297 583625 1032125 1197265 1301375 1444975 1676171 1821925 1866485 2613079 5986325 7224875 8380855 8585831 9109625 9332425 10825613 13065395 29931625 41904275 42929155 46662125 54128065 60100817 65326975 75779291 134013623 209521375 214645775 248989099 270640325 300504085 326634875 378896455 670068115 938095361 1073228875 1244945495 1353201625 1502520425 1742923693 1894482275 3082313329 3350340575 3886395067 4690476805 6224727475 7512602125 8714618465 9472411375 15411566645 16751702875 19431975335 21576193303 23452384025 27204765469 31123637375 43573092325 77057833225 89387086541 97159876675 107880966515 117261920125 136023827345 217865461625 385289166125 446935432705 485799383375 539404832575 625709605787 680119136725 2234677163525 2697024162875 3128548028935 3400595683625 11173385817625 15642740144675 78213700723375