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1420141342240 = 25531286318819
BaseRepresentation
bin10100101010100111000…
…001010010111000100000
312000202122002110222211101
4110222213001102320200
5141231422140422430
63004223125324144
7204413266144315
oct24524701227040
95022562428741
101420141342240
114a8307845885
121ab296566654
13a3bc366ba6a
144ca415a4d0c
1526e1b4e9dca
hex14aa7052e20

1420141342240 has 48 divisors (see below), whose sum is σ = 3463312446720. Its totient is φ = 549732130560.

The previous prime is 1420141342231. The next prime is 1420141342241. The reversal of 1420141342240 is 422431410241.

It is a junction number, because it is equal to n+sod(n) for n = 1420141342199 and 1420141342208.

It is not an unprimeable number, because it can be changed into a prime (1420141342241) 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, 143154450 + ... + 143164369.

It is an arithmetic number, because the mean of its divisors is an integer number (72152342640).

Almost surely, 21420141342240 is an apocalyptic number.

1420141342240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1420141342240 is an abundant number, since it is smaller than the sum of its proper divisors (2043171104480).

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

1420141342240 is a wasteful number, since it uses less digits than its factorization.

1420141342240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286318865 (or 286318857 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 1420141342240 its reverse (422431410241), we get a palindrome (1842572752481).

The spelling of 1420141342240 in words is "one trillion, four hundred twenty billion, one hundred forty-one million, three hundred forty-two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 31 32 40 62 80 124 155 160 248 310 496 620 992 1240 2480 4960 286318819 572637638 1145275276 1431594095 2290550552 2863188190 4581101104 5726376380 8875883389 9162202208 11452752760 17751766778 22905505520 35503533556 44379416945 45811011040 71007067112 88758833890 142014134224 177517667780 284028268448 355035335560 710070671120 1420141342240