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85470000847 = 7114127199901
BaseRepresentation
bin100111110011001101…
…0001011011011001111
322011121112212220111221
41033212122023123033
52400020310011342
6103133034424211
76114012006640
oct1174632133317
9264545786457
1085470000847
113327a650740
1214693892067
1380a1473cca
1441cb4236c7
152353814a67
hex13e668b6cf

85470000847 has 32 divisors (see below), whose sum is σ = 109562923008. Its totient is φ = 64735200000.

The previous prime is 85470000841. The next prime is 85470000943. The reversal of 85470000847 is 74800007458.

It is a cyclic number.

It is not a de Polignac number, because 85470000847 - 211 = 85469998799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85470000841) 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, 805597 + ... + 905497.

It is an arithmetic number, because the mean of its divisors is an integer number (3423841344).

Almost surely, 285470000847 is an apocalyptic number.

85470000847 is a deficient number, since it is larger than the sum of its proper divisors (24092922161).

85470000847 is a wasteful number, since it uses less digits than its factorization.

85470000847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100231.

The product of its (nonzero) digits is 250880, while the sum is 43.

The spelling of 85470000847 in words is "eighty-five billion, four hundred seventy million, eight hundred forty-seven", and thus it is an aban number.

Divisors: 1 7 11 41 77 271 287 451 1897 2981 3157 11111 20867 77777 99901 122221 699307 855547 1098911 4095941 7692377 27073171 28671587 45055351 189512197 297804881 315387457 1110000011 2084634167 7770000077 12210000121 85470000847