Search a number
-
+
2421140053440 = 26352522020889
BaseRepresentation
bin100011001110110111001…
…100010101110111000000
322120110101102011012112010
4203032313030111313000
5304131443323202230
65052131213532520
7336631051615653
oct43166714256700
98513342135463
102421140053440
11853888494229
12331296aa4140
1314740a812c74
148528050189a
1542ea578a9b0
hex233b7315dc0

2421140053440 has 56 divisors (see below), whose sum is σ = 7687119672720. Its totient is φ = 645637347328.

The previous prime is 2421140053429. The next prime is 2421140053441. The reversal of 2421140053440 is 443500411242.

2421140053440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2421140053398 and 2421140053407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421140053441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1261009485 + ... + 1261011404.

Almost surely, 22421140053440 is an apocalyptic number.

2421140053440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2421140053440 is an abundant number, since it is smaller than the sum of its proper divisors (5265979619280).

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

2421140053440 is a wasteful number, since it uses less digits than its factorization.

2421140053440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2522020909 (or 2522020899 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 2421140053440 its reverse (443500411242), we get a palindrome (2864640464682).

The spelling of 2421140053440 in words is "two trillion, four hundred twenty-one billion, one hundred forty million, fifty-three thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 160 192 240 320 480 960 2522020889 5044041778 7566062667 10088083556 12610104445 15132125334 20176167112 25220208890 30264250668 37830313335 40352334224 50440417780 60528501336 75660626670 80704668448 100880835560 121057002672 151321253340 161409336896 201761671120 242114005344 302642506680 403523342240 484228010688 605285013360 807046684480 1210570026720 2421140053440