Search a number
-
+
2021010030440 = 235367137670983
BaseRepresentation
bin11101011010001101100…
…101011011111101101000
321011012120122220222111122
4131122031211123331220
5231103012031433230
64144234510514412
7266004340550102
oct35321545337550
97135518828448
102021010030440
1170a118524705
12287828205a08
1311877127b84b
146db62d74572
153788775bbe5
hex1d68d95bf68

2021010030440 has 32 divisors (see below), whose sum is σ = 4559662990080. Its totient is φ = 806201270592.

The previous prime is 2021010030409. The next prime is 2021010030451. The reversal of 2021010030440 is 440300101202.

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, 68820812 + ... + 68850171.

It is an arithmetic number, because the mean of its divisors is an integer number (142489468440).

Almost surely, 22021010030440 is an apocalyptic number.

2021010030440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021010030440 is an abundant number, since it is smaller than the sum of its proper divisors (2538652959640).

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

2021010030440 is a wasteful number, since it uses less digits than its factorization.

2021010030440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137671361 (or 137671357 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 2021010030440 its reverse (440300101202), we get a palindrome (2461310131642).

The spelling of 2021010030440 in words is "two trillion, twenty-one billion, ten million, thirty thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 367 734 1468 1835 2936 3670 7340 14680 137670983 275341966 550683932 688354915 1101367864 1376709830 2753419660 5506839320 50525250761 101050501522 202101003044 252626253805 404202006088 505252507610 1010505015220 2021010030440