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71207241941 = 11109251236609
BaseRepresentation
bin100001001010001001…
…0000100100011010101
320210210112222200111002
41002110102010203111
52131313023220231
652413454153045
75100403366313
oct1022422044325
9223715880432
1071207241941
11282206a4890
12119731b2785
13693a5a61b4
1436370ad0b3
151cbb5cc0cb
hex10944848d5

71207241941 has 16 divisors (see below), whose sum is σ = 78705950400. Its totient is φ = 63884160000.

The previous prime is 71207241907. The next prime is 71207241979. The reversal of 71207241941 is 14914270217.

It is a cyclic number.

It is not a de Polignac number, because 71207241941 - 234 = 54027372757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71207241895 and 71207241904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71207211941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182645 + ... + 419253.

It is an arithmetic number, because the mean of its divisors is an integer number (4919121900).

Almost surely, 271207241941 is an apocalyptic number.

It is an amenable number.

71207241941 is a deficient number, since it is larger than the sum of its proper divisors (7498708459).

71207241941 is a wasteful number, since it uses less digits than its factorization.

71207241941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236980.

The product of its (nonzero) digits is 28224, while the sum is 38.

The spelling of 71207241941 in words is "seventy-one billion, two hundred seven million, two hundred forty-one thousand, nine hundred forty-one".

Divisors: 1 11 109 251 1199 2761 27359 236609 300949 2602699 25790381 59388859 283694191 653277449 6473385631 71207241941