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1203000073 = 112371193347
BaseRepresentation
bin100011110110100…
…0101001100001001
310002211122201212021
41013231011030021
54430432000243
6315212244441
741545221562
oct10755051411
93084581767
101203000073
11568075840
12296a70721
13162304b82
14b5ab1169
157092e6ed
hex47b45309

1203000073 has 32 divisors (see below), whose sum is σ = 1399928832. Its totient is φ = 1023052800.

The previous prime is 1203000049. The next prime is 1203000131. The reversal of 1203000073 is 3700003021.

It is a de Polignac number, because none of the positive numbers 2k-1203000073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1203000013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3466686 + ... + 3467032.

It is an arithmetic number, because the mean of its divisors is an integer number (43747776).

Almost surely, 21203000073 is an apocalyptic number.

It is an amenable number.

1203000073 is a deficient number, since it is larger than the sum of its proper divisors (196928759).

1203000073 is a wasteful number, since it uses less digits than its factorization.

1203000073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645.

The product of its (nonzero) digits is 126, while the sum is 16.

The square root of 1203000073 is about 34684.2914443989. The cubic root of 1203000073 is about 1063.5434025687.

Adding to 1203000073 its reverse (3700003021), we get a palindrome (4903003094).

The spelling of 1203000073 in words is "one billion, two hundred three million, seventy-three", and thus it is an aban number.

Divisors: 1 11 23 71 193 253 347 781 1633 2123 3817 4439 7981 13703 17963 24637 48829 66971 87791 150733 271007 315169 566651 736681 1540333 3466859 4754941 6233161 16943663 52304351 109363643 1203000073