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71473075642 = 2241791477999
BaseRepresentation
bin100001010010000100…
…0001001010110111010
320211111002012102202201
41002210020021112322
52132334101410032
652500112020414
75110112055553
oct1024410112672
9224432172681
1071473075642
1128347762661
1211a2823170a
1369806a0847
14366050b32a
151cd4adc8e7
hex10a42095ba

71473075642 has 8 divisors (see below), whose sum is σ = 107214120000. Its totient is φ = 35735035644.

The previous prime is 71473075633. The next prime is 71473075643. The reversal of 71473075642 is 24657037417.

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

It is a junction number, because it is equal to n+sod(n) for n = 71473075592 and 71473075601.

It is not an unprimeable number, because it can be changed into a prime (71473075643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 690642 + ... + 787357.

It is an arithmetic number, because the mean of its divisors is an integer number (13401765000).

Almost surely, 271473075642 is an apocalyptic number.

71473075642 is a deficient number, since it is larger than the sum of its proper divisors (35741044358).

71473075642 is a wasteful number, since it uses less digits than its factorization.

71473075642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502180.

The product of its (nonzero) digits is 987840, while the sum is 46.

The spelling of 71473075642 in words is "seventy-one billion, four hundred seventy-three million, seventy-five thousand, six hundred forty-two".

Divisors: 1 2 24179 48358 1477999 2955998 35736537821 71473075642