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1420599405879 = 321801592314797
BaseRepresentation
bin10100101011000010010…
…100101010110100110111
312000210211000102001000100
4110223002110222310313
5141233341421442004
63004340411245143
7204430530466653
oct24530224526467
95023730361010
101420599405879
114a8522369875
121ab3a3a497b3
13a3c6752cb34
144ca86361a63
1526e4682c739
hex14ac252ad37

1420599405879 has 24 divisors (see below), whose sum is σ = 2053601683952. Its totient is φ = 946316649600.

The previous prime is 1420599405859. The next prime is 1420599405889. The reversal of 1420599405879 is 9785049950241.

1420599405879 is a `hidden beast` number, since 1 + 4 + 2 + 0 + 5 + 9 + 9 + 40 + 587 + 9 = 666.

It is not a de Polignac number, because 1420599405879 - 29 = 1420599405367 is a prime.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420599405859) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95998509 + ... + 96013305.

Almost surely, 21420599405879 is an apocalyptic number.

1420599405879 is a deficient number, since it is larger than the sum of its proper divisors (633002278073).

1420599405879 is a wasteful number, since it uses less digits than its factorization.

1420599405879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22527 (or 22524 counting only the distinct ones).

The product of its (nonzero) digits is 32659200, while the sum is 63.

The spelling of 1420599405879 in words is "one trillion, four hundred twenty billion, five hundred ninety-nine million, four hundred five thousand, eight hundred seventy-nine".

Divisors: 1 3 9 1801 5403 5923 14797 16209 17769 44391 53307 133173 10667323 26649397 32001969 79948191 87642631 96005907 239844573 262927893 788783679 157844378431 473533135293 1420599405879