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1012133397 = 311166318443
BaseRepresentation
bin111100010100111…
…110111000010101
32121112111201000010
4330110332320111
54033101232042
6244233310433
734036664142
oct7424767025
92545451003
101012133397
1147a360890
12242b65419
131318c7b02
14985c93c9
155dccb59c
hex3c53ee15

1012133397 has 16 divisors (see below), whose sum is σ = 1473159168. Its totient is φ = 613012080.

The previous prime is 1012133387. The next prime is 1012133399. The reversal of 1012133397 is 7933312101.

It is not a de Polignac number, because 1012133397 - 212 = 1012129301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012133399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45658 + ... + 64100.

It is an arithmetic number, because the mean of its divisors is an integer number (92072448).

Almost surely, 21012133397 is an apocalyptic number.

It is an amenable number.

1012133397 is a deficient number, since it is larger than the sum of its proper divisors (461025771).

1012133397 is a wasteful number, since it uses less digits than its factorization.

1012133397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20120.

The product of its (nonzero) digits is 3402, while the sum is 30.

The square root of 1012133397 is about 31814.0440214695. The cubic root of 1012133397 is about 1004.0282173437.

Adding to 1012133397 its reverse (7933312101), we get a palindrome (8945445498).

The spelling of 1012133397 in words is "one billion, twelve million, one hundred thirty-three thousand, three hundred ninety-seven".

Divisors: 1 3 11 33 1663 4989 18293 18443 54879 55329 202873 608619 30670709 92012127 337377799 1012133397