Search a number
-
+
8418107970900 = 2234521804757587
BaseRepresentation
bin111101001111111111001…
…0101011101010101010100
31002210202121102022000010000
41322133332111131111110
52100410241120032100
625523120404531300
71526121364063305
oct172377625352524
932722542260100
108418107970900
112756110543141
12b3b59b3b0b30
13490a93937684
1421161d7367ac
15e8e93443900
hex7a7fe55d554

8418107970900 has 180 divisors, whose sum is σ = 27290166317568. Its totient is φ = 2244665424960.

The previous prime is 8418107970893. The next prime is 8418107970919. The reversal of 8418107970900 is 90797018148.

8418107970900 is a `hidden beast` number, since 8 + 418 + 1 + 0 + 79 + 70 + 90 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 146151907 + ... + 146209493.

Almost surely, 28418107970900 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 8418107970900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13645083158784).

8418107970900 is an abundant number, since it is smaller than the sum of its proper divisors (18872058346668).

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

8418107970900 is a wasteful number, since it uses less digits than its factorization.

8418107970900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75660 (or 75644 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 54.

The spelling of 8418107970900 in words is "eight trillion, four hundred eighteen billion, one hundred seven million, nine hundred seventy thousand, nine hundred".