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82470547142 = 2711813208721
BaseRepresentation
bin100110011001110100…
…0001010111011000110
321212212111212212112222
41030303220022323012
52322344430002032
6101515250012342
75646461040644
oct1146350127306
9255774785488
1082470547142
1131a80523785
1213b972770b2
137a13c21329
143dc4d20194
15222a32ca12
hex1333a0aec6

82470547142 has 16 divisors (see below), whose sum is σ = 126141279264. Its totient is φ = 40429872000.

The previous prime is 82470547141. The next prime is 82470547157. The reversal of 82470547142 is 24174507428.

It is a super-2 number, since 2×824705471422 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 82470547093 and 82470547102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82470547141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1578659 + ... + 1630062.

It is an arithmetic number, because the mean of its divisors is an integer number (7883829954).

Almost surely, 282470547142 is an apocalyptic number.

82470547142 is a deficient number, since it is larger than the sum of its proper divisors (43670732122).

82470547142 is a wasteful number, since it uses less digits than its factorization.

82470547142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3208975.

The product of its (nonzero) digits is 501760, while the sum is 44.

The spelling of 82470547142 in words is "eighty-two billion, four hundred seventy million, five hundred forty-seven thousand, one hundred forty-two".

Divisors: 1 2 71 142 181 362 12851 25702 3208721 6417442 227819191 455638382 580778501 1161557002 41235273571 82470547142