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85261904763 = 375362975707
BaseRepresentation
bin100111101101000000…
…0010110101101111011
322011002001022112100120
41033122000112231323
52344104021423023
6103100242304323
76105604142550
oct1173200265573
9264061275316
1085261904763
1133183139002
12146360580a3
13806a313929
1441ab934a27
15234040b8e3
hex13da016b7b

85261904763 has 16 divisors (see below), whose sum is σ = 129927041280. Its totient is φ = 48719536416.

The previous prime is 85261904747. The next prime is 85261904857. The reversal of 85261904763 is 36740916258.

It is not a de Polignac number, because 85261904763 - 24 = 85261904747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85261504763) 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, 1088356 + ... + 1164062.

It is an arithmetic number, because the mean of its divisors is an integer number (8120440080).

It is a 1-persistent number, because it is pandigital, but 2⋅85261904763 = 170523809526 is not.

Almost surely, 285261904763 is an apocalyptic number.

85261904763 is a deficient number, since it is larger than the sum of its proper divisors (44665136517).

85261904763 is a wasteful number, since it uses less digits than its factorization.

85261904763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129346.

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 85261904763 in words is "eighty-five billion, two hundred sixty-one million, nine hundred four thousand, seven hundred sixty-three".

Divisors: 1 3 7 21 53629 75707 160887 227121 375403 529949 1126209 1589847 4060090703 12180272109 28420634921 85261904763