Search a number
-
+
89098205264640 = 283351121317229421
BaseRepresentation
bin10100010000100011001010…
…110111111111101100000000
3102200110201001010012012011000
4110100203022313333230000
543134241111021432030
6513255052254452000
724524063404634535
oct2420431267775400
9380421033165130
1089098205264640
11264313780a5100
129bab9b4804000
133a93c03765950
14180053a1d4d8c
15a479ae9d6860
hex5108cadffb00

89098205264640 has 3456 divisors, whose sum is σ = 398955641414400. Its totient is φ = 18638910259200.

The previous prime is 89098205264513. The next prime is 89098205264641. The reversal of 89098205264640 is 4646250289098.

89098205264640 is a `hidden beast` number, since 8 + 9 + 0 + 9 + 8 + 20 + 526 + 46 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (3456).

It is not an unprimeable number, because it can be changed into a prime (89098205264641) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 211634691630 + ... + 211634692050.

It is an arithmetic number, because the mean of its divisors is an integer number (115438553650).

Almost surely, 289098205264640 is an apocalyptic number.

89098205264640 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89098205264640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199477820707200).

89098205264640 is an abundant number, since it is smaller than the sum of its proper divisors (309857436149760).

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

89098205264640 is a wasteful number, since it uses less digits than its factorization.

89098205264640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732 (or 701 counting only the distinct ones).

The product of its (nonzero) digits is 59719680, while the sum is 63.

The spelling of 89098205264640 in words is "eighty-nine trillion, ninety-eight billion, two hundred five million, two hundred sixty-four thousand, six hundred forty".