Search a number
-
+
980998878720 = 2935733141293
BaseRepresentation
bin11100100011010000001…
…01101111011000000000
310110210010111110110020110
432101220011233120000
5112033041203104340
62030355322311320
7130606031613000
oct16215005573000
93423114413213
10980998878720
11349048324283
1213a15a658540
137167a827903
14356a2a9a000
151a7b8559680
hexe46816f600

980998878720 has 1280 divisors, whose sum is σ = 3880551628800. Its totient is φ = 210980044800.

The previous prime is 980998878719. The next prime is 980998878721. The reversal of 980998878720 is 27878899089.

It is an interprime number because it is at equal distance from previous prime (980998878719) and next prime (980998878721).

It is a tau number, because it is divible by the number of its divisors (1280).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (980998878721) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3348118894 + ... + 3348119186.

It is an arithmetic number, because the mean of its divisors is an integer number (3031680960).

Almost surely, 2980998878720 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 980998878720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1940275814400).

980998878720 is an abundant number, since it is smaller than the sum of its proper divisors (2899552750080).

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

980998878720 is a wasteful number, since it uses less digits than its factorization.

980998878720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412 (or 382 counting only the distinct ones).

The product of its (nonzero) digits is 292626432, while the sum is 75.

The spelling of 980998878720 in words is "nine hundred eighty billion, nine hundred ninety-eight million, eight hundred seventy-eight thousand, seven hundred twenty".