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1012020763 = 13173449987
BaseRepresentation
bin111100010100100…
…011011000011011
32121112021222111111
4330110203120123
54033034131023
6244231041151
734036014565
oct7424433033
92545258444
101012020763
1147a2941a6
12242b101b7
13131888770
149859a335
155dca800d
hex3c52361b

1012020763 has 8 divisors (see below), whose sum is σ = 1096170768. Its totient is φ = 928771104.

The previous prime is 1012020739. The next prime is 1012020791. The reversal of 1012020763 is 3670202101.

1012020763 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1012020763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012020733) 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, 222745 + ... + 227242.

It is an arithmetic number, because the mean of its divisors is an integer number (137021346).

Almost surely, 21012020763 is an apocalyptic number.

1012020763 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1012020763 is a deficient number, since it is larger than the sum of its proper divisors (84150005).

1012020763 is a wasteful number, since it uses less digits than its factorization.

1012020763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450173.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 1012020763 is about 31812.2737791564. The cubic root of 1012020763 is about 1003.9909719537.

Adding to 1012020763 its reverse (3670202101), we get a palindrome (4682222864).

The spelling of 1012020763 in words is "one billion, twelve million, twenty thousand, seven hundred sixty-three".

Divisors: 1 13 173 2249 449987 5849831 77847751 1012020763