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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".