Search a number
-
+
85472961189 = 3711233637529
BaseRepresentation
bin100111110011010010…
…1011110001010100101
322011121202110022100020
41033212211132022211
52400022034224224
6103133222105353
76114046116450
oct1174645361245
9264552408306
1085472961189
1133281292900
121469487b259
1380a1c6c5a5
1441cb994497
152353bebc79
hex13e695e2a5

85472961189 has 24 divisors (see below), whose sum is σ = 143161327680. Its totient is φ = 44401536960.

The previous prime is 85472961121. The next prime is 85472961191. The reversal of 85472961189 is 98116927458.

It is not a de Polignac number, because 85472961189 - 211 = 85472959141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85472961289) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16816224 + ... + 16821305.

It is an arithmetic number, because the mean of its divisors is an integer number (5965055320).

Almost surely, 285472961189 is an apocalyptic number.

It is an amenable number.

85472961189 is a deficient number, since it is larger than the sum of its proper divisors (57688366491).

85472961189 is a wasteful number, since it uses less digits than its factorization.

85472961189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33637561 (or 33637550 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 60.

The spelling of 85472961189 in words is "eighty-five billion, four hundred seventy-two million, nine hundred sixty-one thousand, one hundred eighty-nine".

Divisors: 1 3 7 11 21 33 77 121 231 363 847 2541 33637529 100912587 235462703 370012819 706388109 1110038457 2590089733 4070141009 7770269199 12210423027 28490987063 85472961189