Search a number
-
+
306545461248 = 21131326314593
BaseRepresentation
bin1000111010111111000…
…10001000100000000000
31002022020200100220120210
410131133202020200000
520010301114224443
6352454113034120
731101324266625
oct4353742104000
91068220326523
10306545461248
11109006a15204
124b4b1555940
1322ba3c08cc0
1410ba057c34c
157e9213ec33
hex475f888800

306545461248 has 192 divisors, whose sum is σ = 883527765120. Its totient is φ = 93956603904.

The previous prime is 306545461219. The next prime is 306545461249. The reversal of 306545461248 is 842164545603.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 306545461197 and 306545461206.

It is not an unprimeable number, because it can be changed into a prime (306545461249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20999040 + ... + 21013632.

It is an arithmetic number, because the mean of its divisors is an integer number (4601707110).

Almost surely, 2306545461248 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 306545461248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (441763882560).

306545461248 is an abundant number, since it is smaller than the sum of its proper divisors (576982303872).

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

306545461248 is a wasteful number, since it uses less digits than its factorization.

306545461248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14894 (or 14874 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 48.

The spelling of 306545461248 in words is "three hundred six billion, five hundred forty-five million, four hundred sixty-one thousand, two hundred forty-eight".