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71357014990 = 2517419747147
BaseRepresentation
bin100001001110100110…
…1011010001111001110
320211011222210221111001
41002131031122033032
52132114343434430
652440404250514
75104202422402
oct1023515321716
9224158727431
1071357014990
11282981a1568
12119b53a0a3a
1369626259c1
14364cd39102
151cc98143ca
hex109d35a3ce

71357014990 has 16 divisors (see below), whose sum is σ = 135998075952. Its totient is φ = 26863817344.

The previous prime is 71357014987. The next prime is 71357014997. The reversal of 71357014990 is 9941075317.

It is a self number, because there is not a number n which added to its sum of digits gives 71357014990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71357014997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209873404 + ... + 209873743.

It is an arithmetic number, because the mean of its divisors is an integer number (8499879747).

Almost surely, 271357014990 is an apocalyptic number.

71357014990 is a deficient number, since it is larger than the sum of its proper divisors (64641060962).

71357014990 is a wasteful number, since it uses less digits than its factorization.

71357014990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419747171.

The product of its (nonzero) digits is 238140, while the sum is 46.

The spelling of 71357014990 in words is "seventy-one billion, three hundred fifty-seven million, fourteen thousand, nine hundred ninety".

Divisors: 1 2 5 10 17 34 85 170 419747147 839494294 2098735735 4197471470 7135701499 14271402998 35678507495 71357014990