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83725125143 = 11241113149351
BaseRepresentation
bin100110111111001101…
…0000000011000010111
322000002221121001000212
41031332122000120113
52332432113001033
6102243544000035
76022533551522
oct1157632003027
9260087531025
1083725125143
1132564717800
121428746001b
137b83b1488a
1440a37b9bb9
1522a0549748
hex137e680617

83725125143 has 24 divisors (see below), whose sum is σ = 95107951008. Its totient is φ = 73599680000.

The previous prime is 83725125083. The next prime is 83725125173. The reversal of 83725125143 is 34152152738.

It is not a de Polignac number, because 83725125143 - 218 = 83724862999 is a prime.

It is a super-2 number, since 2×837251251432 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83725125143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83725125173) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 485918 + ... + 635268.

It is an arithmetic number, because the mean of its divisors is an integer number (3962831292).

Almost surely, 283725125143 is an apocalyptic number.

83725125143 is a deficient number, since it is larger than the sum of its proper divisors (11382825865).

83725125143 is a wasteful number, since it uses less digits than its factorization.

83725125143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149527 (or 149516 counting only the distinct ones).

The product of its digits is 201600, while the sum is 41.

The spelling of 83725125143 in words is "eighty-three billion, seven hundred twenty-five million, one hundred twenty-five thousand, one hundred forty-three".

Divisors: 1 11 41 113 121 451 1243 4633 4961 13673 50963 149351 560593 1642861 6123391 16876663 18071471 67357301 185643293 691943183 740930311 2042076223 7611375013 83725125143