Search a number
-
+
45147798380 = 2254749747527
BaseRepresentation
bin101010000011000001…
…001011101101101100
311022112102112210022202
4222003001023231230
51214430314022010
632423550001032
73155542645226
oct520301135554
9138472483282
1045147798380
1118168834173
1288bbaa6178
13434671bbc9
142284143416
1512938d56a5
hexa8304bb6c

45147798380 has 24 divisors (see below), whose sum is σ = 94814367648. Its totient is φ = 18058359168.

The previous prime is 45147798349. The next prime is 45147798413. The reversal of 45147798380 is 8389774154.

It is a super-2 number, since 2×451477983802 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 926177 + ... + 973703.

It is an arithmetic number, because the mean of its divisors is an integer number (3950598652).

Almost surely, 245147798380 is an apocalyptic number.

It is an amenable number.

45147798380 is an abundant number, since it is smaller than the sum of its proper divisors (49666569268).

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

45147798380 is a wasteful number, since it uses less digits than its factorization.

45147798380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95033 (or 95031 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 56.

The spelling of 45147798380 in words is "forty-five billion, one hundred forty-seven million, seven hundred ninety-eight thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 47497 47527 94994 95054 189988 190108 237485 237635 474970 475270 949940 950540 2257389919 4514779838 9029559676 11286949595 22573899190 45147798380