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1020312322013 = 19461116487307
BaseRepresentation
bin11101101100011110101…
…10100111111111011101
310121112121022122021222202
432312033112213333131
5113204044423301023
62100420334021245
7133500201432515
oct16661726477735
93545538567882
101020312322013
11363791785086
121458b0647825
13752a45969aa
1437551dcc845
151b819b27128
hexed8f5a7fdd

1020312322013 has 8 divisors (see below), whose sum is σ = 1076342725920. Its totient is φ = 964514893680.

The previous prime is 1020312321997. The next prime is 1020312322027. The reversal of 1020312322013 is 3102232130201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1020312322013 - 24 = 1020312321997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020312322093) 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, 58234895 + ... + 58252412.

It is an arithmetic number, because the mean of its divisors is an integer number (134542840740).

Almost surely, 21020312322013 is an apocalyptic number.

It is an amenable number.

1020312322013 is a deficient number, since it is larger than the sum of its proper divisors (56030403907).

1020312322013 is a wasteful number, since it uses less digits than its factorization.

1020312322013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116487787.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1020312322013 its reverse (3102232130201), we get a palindrome (4122544452214).

The spelling of 1020312322013 in words is "one trillion, twenty billion, three hundred twelve million, three hundred twenty-two thousand, thirteen".

Divisors: 1 19 461 8759 116487307 2213258833 53700648527 1020312322013