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71517074051804 = 2237716805964413
BaseRepresentation
bin10000010000101101011101…
…110010110101001011011100
3100101012222001212002121102012
4100100231131302311023130
533333213431424124204
6412034253521250352
721030636523223213
oct2020553562651334
9311188055077365
1071517074051804
1120873247946327
1280305a34939b8
1330ba053570534
14139363296a07a
158404cace376e
hex410b5dcb52dc

71517074051804 has 24 divisors (see below), whose sum is σ = 130347830456928. Its totient is φ = 34302060636480.

The previous prime is 71517074051749. The next prime is 71517074051849. The reversal of 71517074051804 is 40815047071517.

71517074051804 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×715170740518042 (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 7 ways as a sum of consecutive naturals, for example, 3402971699 + ... + 3402992714.

It is an arithmetic number, because the mean of its divisors is an integer number (5431159602372).

Almost surely, 271517074051804 is an apocalyptic number.

71517074051804 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

71517074051804 is a deficient number, since it is larger than the sum of its proper divisors (58830756405124).

71517074051804 is a wasteful number, since it uses less digits than its factorization.

71517074051804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6805964525 (or 6805964523 counting only the distinct ones).

The product of its (nonzero) digits is 1097600, while the sum is 50.

The spelling of 71517074051804 in words is "seventy-one trillion, five hundred seventeen billion, seventy-four million, fifty-one thousand, eight hundred four".

Divisors: 1 2 4 37 71 74 142 148 284 2627 5254 10508 6805964413 13611928826 27223857652 251820683281 483223473323 503641366562 966446946646 1007282733124 1932893893292 17879268512951 35758537025902 71517074051804