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85811726405054 = 21317194144177387
BaseRepresentation
bin10011100000101110011001…
…011110000100110110111110
3102020211112001202101222200002
4103200232121132010312332
542221414403424430204
6502301210215034302
724034456401355406
oct2340563136046676
9366745052358602
1085811726405054
11253846044a3041
12975aa7966b992
1338b601b453460
141729449c21806
159dc25eb7791e
hex4e0b99784dbe

85811726405054 has 16 divisors (see below), whose sum is σ = 146772998105328. Its totient is φ = 37275682058112.

The previous prime is 85811726405039. The next prime is 85811726405077. The reversal of 85811726405054 is 45050462711858.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97072088252 + ... + 97072089135.

It is an arithmetic number, because the mean of its divisors is an integer number (9173312381583).

Almost surely, 285811726405054 is an apocalyptic number.

85811726405054 is a deficient number, since it is larger than the sum of its proper divisors (60961271700274).

85811726405054 is a wasteful number, since it uses less digits than its factorization.

85811726405054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194144177419.

The product of its (nonzero) digits is 10752000, while the sum is 56.

The spelling of 85811726405054 in words is "eighty-five trillion, eight hundred eleven billion, seven hundred twenty-six million, four hundred five thousand, fifty-four".

Divisors: 1 2 13 17 26 34 221 442 194144177387 388288354774 2523874306031 3300451015579 5047748612062 6600902031158 42905863202527 85811726405054