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71142455510 = 2571016320793
BaseRepresentation
bin100001001000001101…
…0111011100011010110
320210122001002012012122
41002100122323203112
52131144432034020
652403221415542
75065655615510
oct1022032734326
9223561065178
1071142455510
1128198074885
121195556a5b2
13692a041729
14362c646bb0
151cb5a81125
hex10906bb8d6

71142455510 has 16 divisors (see below), whose sum is σ = 146350194336. Its totient is φ = 24391699008.

The previous prime is 71142455507. The next prime is 71142455513. The reversal of 71142455510 is 1555424117.

It is an interprime number because it is at equal distance from previous prime (71142455507) and next prime (71142455513).

It is a super-2 number, since 2×711424555102 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71142455513) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 508160327 + ... + 508160466.

It is an arithmetic number, because the mean of its divisors is an integer number (9146887146).

Almost surely, 271142455510 is an apocalyptic number.

71142455510 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

71142455510 is an abundant number, since it is smaller than the sum of its proper divisors (75207738826).

71142455510 is a wasteful number, since it uses less digits than its factorization.

71142455510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016320807.

The product of its (nonzero) digits is 28000, while the sum is 35.

Adding to 71142455510 its reverse (1555424117), we get a palindrome (72697879627).

The spelling of 71142455510 in words is "seventy-one billion, one hundred forty-two million, four hundred fifty-five thousand, five hundred ten".

Divisors: 1 2 5 7 10 14 35 70 1016320793 2032641586 5081603965 7114245551 10163207930 14228491102 35571227755 71142455510