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71088720010390 = 257108872001039
BaseRepresentation
bin10000001010011110100001…
…111001110101110010010110
3100022201000102010101200202101
4100022132201321311302112
533304204144310313030
6411105412423432314
720654663516026345
oct2012364171656226
9308630363350671
1071088720010390
1120718614191a55
127b815785b569a
1330888398748c4
14137a9d8bb7b5c
158342aa04c7ca
hex40a7a1e75c96

71088720010390 has 8 divisors (see below), whose sum is σ = 127959696018720. Its totient is φ = 28435488004152.

The previous prime is 71088720010361. The next prime is 71088720010397. The reversal of 71088720010390 is 9301002788017.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×710887200103902 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 71088720010390.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71088720010397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3554436000510 + ... + 3554436000529.

It is an arithmetic number, because the mean of its divisors is an integer number (15994962002340).

Almost surely, 271088720010390 is an apocalyptic number.

71088720010390 is a deficient number, since it is larger than the sum of its proper divisors (56870976008330).

71088720010390 is a wasteful number, since it uses less digits than its factorization.

71088720010390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7108872001046.

The product of its (nonzero) digits is 169344, while the sum is 46.

The spelling of 71088720010390 in words is "seventy-one trillion, eighty-eight billion, seven hundred twenty million, ten thousand, three hundred ninety".

Divisors: 1 2 5 10 7108872001039 14217744002078 35544360005195 71088720010390