Search a number
-
+
2986688922840 = 2332573151160183
BaseRepresentation
bin101011011101100100100…
…010000100010011011000
3101120112011111010111100100
4223131210202010103120
5342413214331012330
610204022124535400
7425531635653000
oct53354442042330
911515144114310
102986688922840
11a51714041467
12402a100b1560
13188849b8249c
14a47b1113000
1552a55d46060
hex2b7648844d8

2986688922840 has 384 divisors, whose sum is σ = 11394849024000. Its totient is φ = 678146515200.

The previous prime is 2986688922821. The next prime is 2986688922901. The reversal of 2986688922840 is 482298866892.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 18565389 + ... + 18725571.

It is an arithmetic number, because the mean of its divisors is an integer number (29674086000).

Almost surely, 22986688922840 is an apocalyptic number.

2986688922840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2986688922840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5697424512000).

2986688922840 is an abundant number, since it is smaller than the sum of its proper divisors (8408160101160).

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

2986688922840 is a wasteful number, since it uses less digits than its factorization.

2986688922840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160372 (or 160351 counting only the distinct ones).

The product of its (nonzero) digits is 382205952, while the sum is 72.

The spelling of 2986688922840 in words is "two trillion, nine hundred eighty-six billion, six hundred eighty-eight million, nine hundred twenty-two thousand, eight hundred forty".