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71042424342 = 231391812771699
BaseRepresentation
bin100001000101001110…
…1010101111000010110
320210101001212002020120
41002022131111320112
52130443330034332
652345245412410
75063332433451
oct1021235257026
9223331762216
1071042424342
112814666199a
1211927b6a106
1369123b99a6
14361d248498
151cabdc232c
hex108a755e16

71042424342 has 64 divisors (see below), whose sum is σ = 144502176000. Its totient is φ = 23282432640.

The previous prime is 71042424263. The next prime is 71042424371. The reversal of 71042424342 is 24342424017.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41813409 + ... + 41815107.

It is an arithmetic number, because the mean of its divisors is an integer number (2257846500).

Almost surely, 271042424342 is an apocalyptic number.

71042424342 is an abundant number, since it is smaller than the sum of its proper divisors (73459751658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71042424342 is a wasteful number, since it uses less digits than its factorization.

71042424342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2301.

The product of its (nonzero) digits is 43008, while the sum is 33.

Adding to 71042424342 its reverse (24342424017), we get a palindrome (95384848359).

The spelling of 71042424342 in words is "seventy-one billion, forty-two million, four hundred twenty-four thousand, three hundred forty-two".

Divisors: 1 2 3 6 139 181 277 278 362 417 543 554 831 834 1086 1662 1699 3398 5097 10194 25159 38503 50137 50318 75477 77006 100274 115509 150411 150954 231018 236161 300822 307519 470623 472322 615038 708483 922557 941246 1411869 1416966 1845114 2823738 6969043 13938086 20907129 41814258 42745141 65416597 85182763 85490282 128235423 130833194 170365526 196249791 255548289 256470846 392499582 511096578 11840404057 23680808114 35521212171 71042424342