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85336437693 = 3135573928391
BaseRepresentation
bin100111101111001110…
…0101011001110111101
322011021020120012022110
41033132130223032331
52344232112001233
6103111504004233
76110500515663
oct1173634531675
9264236505273
1085336437693
1133211215771
1214657000679
13807c8ab760
1441b77b6c33
152346c30663
hex13de72b3bd

85336437693 has 16 divisors (see below), whose sum is σ = 122754393216. Its totient is φ = 52420436160.

The previous prime is 85336437671. The next prime is 85336437709. The reversal of 85336437693 is 39673463358.

It is not a de Polignac number, because 85336437693 - 26 = 85336437629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85336437653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1942473 + ... + 1985918.

It is an arithmetic number, because the mean of its divisors is an integer number (7672149576).

Almost surely, 285336437693 is an apocalyptic number.

It is an amenable number.

85336437693 is a deficient number, since it is larger than the sum of its proper divisors (37417955523).

85336437693 is a wasteful number, since it uses less digits than its factorization.

85336437693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3928964.

The product of its digits is 29393280, while the sum is 57.

The spelling of 85336437693 in words is "eighty-five billion, three hundred thirty-six million, four hundred thirty-seven thousand, six hundred ninety-three".

Divisors: 1 3 13 39 557 1671 7241 21723 3928391 11785173 51069083 153207249 2188113787 6564341361 28445479231 85336437693