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1440424123112 = 231329881463513
BaseRepresentation
bin10100111101011111111…
…101111101101011101000
312002200222122010000111202
4110331133331331223220
5142044442033414422
63021415515543332
7206032024013252
oct24753775755350
95080878100452
101440424123112
115059759582a7
121b31b715ab48
13a5aa67c5a50
144da0725acd2
1527706ec2b92
hex14f5ff7dae8

1440424123112 has 32 divisors (see below), whose sum is σ = 2908652323080. Its totient is φ = 664787450880.

The previous prime is 1440424123093. The next prime is 1440424123123. The reversal of 1440424123112 is 2113214240441.

It can be written as a sum of positive squares in 4 ways, for example, as 1078012899076 + 362411224036 = 1038274^2 + 602006^2 .

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, 2875868 + ... + 3339380.

Almost surely, 21440424123112 is an apocalyptic number.

It is an amenable number.

1440424123112 is an abundant number, since it is smaller than the sum of its proper divisors (1468228199968).

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

1440424123112 is a wasteful number, since it uses less digits than its factorization.

1440424123112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493413 (or 493409 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 1440424123112 its reverse (2113214240441), we get a palindrome (3553638363553).

The spelling of 1440424123112 in words is "one trillion, four hundred forty billion, four hundred twenty-four million, one hundred twenty-three thousand, one hundred twelve".

Divisors: 1 2 4 8 13 26 52 104 29881 59762 119524 239048 388453 463513 776906 927026 1553812 1854052 3107624 3708104 6025669 12051338 24102676 48205352 13850231953 27700463906 55400927812 110801855624 180053015389 360106030778 720212061556 1440424123112