Search a number
-
+
75520631071 = 175239184793
BaseRepresentation
bin100011001010101100…
…0010110000100011111
321012221011101120000001
41012111120112010133
52214131240143241
654405501115131
75312320525654
oct1062530260437
9235834346001
1075520631071
112a034477996
1212777858aa7
137177102a62
143925cbdc2b
151e70108431
hex119561611f

75520631071 has 8 divisors (see below), whose sum is σ = 79965490464. Its totient is φ = 71076046080.

The previous prime is 75520631063. The next prime is 75520631111. The reversal of 75520631071 is 17013602557.

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

It is a cyclic number.

It is not a de Polignac number, because 75520631071 - 23 = 75520631063 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 75520631071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75520631041) 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, 848251 + ... + 933043.

It is an arithmetic number, because the mean of its divisors is an integer number (9995686308).

Almost surely, 275520631071 is an apocalyptic number.

75520631071 is a deficient number, since it is larger than the sum of its proper divisors (4444859393).

75520631071 is a wasteful number, since it uses less digits than its factorization.

75520631071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137201.

The product of its (nonzero) digits is 44100, while the sum is 37.

The spelling of 75520631071 in words is "seventy-five billion, five hundred twenty million, six hundred thirty-one thousand, seventy-one".

Divisors: 1 17 52391 84793 890647 1441481 4442390063 75520631071