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1012121010983 = 10720749455881
BaseRepresentation
bin11101011101001110001…
…11010000001100100111
310120202110110020120200202
432232213013100030213
5113040310434322413
62052543441501115
7133060205434325
oct16564707201447
93522413216622
101012121010983
11360268a19945
121441a534179b
137459a51c4a4
1436db6164d15
151b4da93be58
hexeba71d0327

1012121010983 has 8 divisors (see below), whose sum is σ = 1021631562000. Its totient is φ = 1002611413440.

The previous prime is 1012121010977. The next prime is 1012121010991. The reversal of 1012121010983 is 3890101212101.

It is a happy number.

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 1012121010983 - 28 = 1012121010727 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012121012983) 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, 1992203 + ... + 2448083.

It is an arithmetic number, because the mean of its divisors is an integer number (127703945250).

Almost surely, 21012121010983 is an apocalyptic number.

1012121010983 is a deficient number, since it is larger than the sum of its proper divisors (9510551017).

1012121010983 is a wasteful number, since it uses less digits than its factorization.

1012121010983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476737.

The product of its (nonzero) digits is 864, while the sum is 29.

The spelling of 1012121010983 in words is "one trillion, twelve billion, one hundred twenty-one million, ten thousand, nine hundred eighty-three".

Divisors: 1 107 20749 455881 2220143 48779267 9459074869 1012121010983