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1012355029 = 7144622147
BaseRepresentation
bin111100010101110…
…100111111010101
32121112220222000201
4330111310333111
54033130330104
6244242140501
734041606250
oct7425647725
92545828021
101012355029
1147a4a2354
12243051731
1313197495a
1498646097
155dd220a4
hex3c574fd5

1012355029 has 4 divisors (see below), whose sum is σ = 1156977184. Its totient is φ = 867732876.

The previous prime is 1012355027. The next prime is 1012355081. The reversal of 1012355029 is 9205532101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1012355029 - 21 = 1012355027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012354988 and 1012355006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012355023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72311067 + ... + 72311080.

It is an arithmetic number, because the mean of its divisors is an integer number (289244296).

Almost surely, 21012355029 is an apocalyptic number.

It is an amenable number.

1012355029 is a deficient number, since it is larger than the sum of its proper divisors (144622155).

1012355029 is an equidigital number, since it uses as much as digits as its factorization.

1012355029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144622154.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 1012355029 is about 31817.5270723543. The cubic root of 1012355029 is about 1004.1014977176.

The spelling of 1012355029 in words is "one billion, twelve million, three hundred fifty-five thousand, twenty-nine".

Divisors: 1 7 144622147 1012355029