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85038487397 = 1922310241899
BaseRepresentation
bin100111100110010110…
…0000101011101100101
322010111110220202100022
41033030230011131211
52343124323044042
6103022141524525
76100222134143
oct1171454053545
9263443822308
1085038487397
1133079011256
1214593273745
138032c4a8c6
144189db8593
15232a9c8cd2
hex13ccb05765

85038487397 has 12 divisors (see below), whose sum is σ = 93651933600. Its totient is φ = 77060040552.

The previous prime is 85038487361. The next prime is 85038487423. The reversal of 85038487397 is 79378483058.

It is not a de Polignac number, because 85038487397 - 210 = 85038486373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85038487097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5112647 + ... + 5129252.

It is an arithmetic number, because the mean of its divisors is an integer number (7804327800).

Almost surely, 285038487397 is an apocalyptic number.

It is an amenable number.

85038487397 is a deficient number, since it is larger than the sum of its proper divisors (8613446203).

85038487397 is a wasteful number, since it uses less digits than its factorization.

85038487397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10241960 (or 10241941 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 62.

The spelling of 85038487397 in words is "eighty-five billion, thirty-eight million, four hundred eighty-seven thousand, three hundred ninety-seven".

Divisors: 1 19 23 361 437 8303 10241899 194596081 235563677 3697325539 4475709863 85038487397