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2142401311040 = 26533719866481
BaseRepresentation
bin11111001011010001000…
…100011011000101000000
321120210220122000222012012
4133023101010123011000
5240100114213423130
64320112223152052
7310532462451134
oct37132104330500
97523818028165
102142401311040
11756650762501
122a7265a45628
13127048780973
147599ad9d3c4
153aade933995
hex1f2d111b140

2142401311040 has 56 divisors (see below), whose sum is σ = 5116731637992. Its totient is φ = 854417571840.

The previous prime is 2142401311021. The next prime is 2142401311051. The reversal of 2142401311040 is 401131042412.

It can be written as a sum of positive squares in 4 ways, for example, as 504963729664 + 1637437581376 = 710608^2 + 1279624^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2142401310997 and 2142401311015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9825401 + ... + 10041080.

Almost surely, 22142401311040 is an apocalyptic number.

2142401311040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2142401311040 is an abundant number, since it is smaller than the sum of its proper divisors (2974330326952).

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

2142401311040 is a wasteful number, since it uses less digits than its factorization.

2142401311040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19866835 (or 19866825 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 2142401311040 its reverse (401131042412), we get a palindrome (2543532353452).

The spelling of 2142401311040 in words is "two trillion, one hundred forty-two billion, four hundred one million, three hundred eleven thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 337 674 1348 1685 2696 3370 5392 6740 10784 13480 21568 26960 53920 107840 19866481 39732962 79465924 99332405 158931848 198664810 317863696 397329620 635727392 794659240 1271454784 1589318480 3178636960 6357273920 6695004097 13390008194 26780016388 33475020485 53560032776 66950040970 107120065552 133900081940 214240131104 267800163880 428480262208 535600327760 1071200655520 2142401311040