Search a number
-
+
85975244628 = 223713314754037
BaseRepresentation
bin101000000010010000…
…1100001111101010100
322012220202120221200120
41100010201201331110
52402034130312003
6103255123511540
76132355343610
oct1200441417524
9265822527616
1085975244628
1133509869889
12147b4b285b0
138152043b20
144238582340
152382d66853
hex1404861f54

85975244628 has 192 divisors, whose sum is σ = 260295426048. Its totient is φ = 21476067840.

The previous prime is 85975244567. The next prime is 85975244653. The reversal of 85975244628 is 82644257958.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1564026 + ... + 1618062.

It is an arithmetic number, because the mean of its divisors is an integer number (1355705344).

Almost surely, 285975244628 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85975244628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130147713024).

85975244628 is an abundant number, since it is smaller than the sum of its proper divisors (174320181420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85975244628 is a wasteful number, since it uses less digits than its factorization.

85975244628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54142 (or 54140 counting only the distinct ones).

The product of its digits is 38707200, while the sum is 60.

The spelling of 85975244628 in words is "eighty-five billion, nine hundred seventy-five million, two hundred forty-four thousand, six hundred twenty-eight".