Search a number
-
+
454234763450220 = 2235172974623205783
BaseRepresentation
bin110011101000111111100010…
…1101110000101011101101100
32012120022102022122222000100120
41213101333011232011131230
5434014140243420401340
64250024323005524540
7164451243612644454
oct14721770556053554
92176272278860316
10454234763450220
111218079771011a5
1242b418a7273750
131665c2012989bc
1480251191a4d64
15377aa4e0c44d0
hex19d1fc5b8576c

454234763450220 has 192 divisors, whose sum is σ = 1393134895595520. Its totient is φ = 110070836047872.

The previous prime is 454234763450201. The next prime is 454234763450323. The reversal of 454234763450220 is 22054367432454.

It is a Harshad number since it is a multiple of its sum of digits (51).

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, 2207245449 + ... + 2207451231.

It is an arithmetic number, because the mean of its divisors is an integer number (7255910914560).

Almost surely, 2454234763450220 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 454234763450220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (696567447797760).

454234763450220 is an abundant number, since it is smaller than the sum of its proper divisors (938900132145300).

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

454234763450220 is a wasteful number, since it uses less digits than its factorization.

454234763450220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280464 (or 280462 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 51.

The spelling of 454234763450220 in words is "four hundred fifty-four trillion, two hundred thirty-four billion, seven hundred sixty-three million, four hundred fifty thousand, two hundred twenty".