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85472333247 = 3736711090221
BaseRepresentation
bin100111110011010001…
…1000100110110111111
322011121201021101222010
41033212203010312333
52400021404130442
6103133200422303
76114040562640
oct1174643046677
9264551241863
1085472333247
11332809a4044
1214694617993
1380a1aac822
1441cb86d6c7
152353b25b9c
hex13e68c4dbf

85472333247 has 16 divisors (see below), whose sum is σ = 130598454272. Its totient is φ = 48708246240.

The previous prime is 85472333203. The next prime is 85472333279. The reversal of 85472333247 is 74233327458.

It is not a de Polignac number, because 85472333247 - 28 = 85472332991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85472333196 and 85472333205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85472353247) 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, 5537404 + ... + 5552817.

It is an arithmetic number, because the mean of its divisors is an integer number (8162403392).

Almost surely, 285472333247 is an apocalyptic number.

85472333247 is a deficient number, since it is larger than the sum of its proper divisors (45126121025).

85472333247 is a wasteful number, since it uses less digits than its factorization.

85472333247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11090598.

The product of its digits is 3386880, while the sum is 48.

The spelling of 85472333247 in words is "eighty-five billion, four hundred seventy-two million, three hundred thirty-three thousand, two hundred forty-seven".

Divisors: 1 3 7 21 367 1101 2569 7707 11090221 33270663 77631547 232894641 4070111107 12210333321 28490777749 85472333247