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1012357073 = 71318161463
BaseRepresentation
bin111100010101110…
…101011111010001
32121112221001211102
4330111311133101
54033130411243
6244242154145
734041615230
oct7425653721
92545831742
101012357073
1147a4a3942
12243052955
13131975870
1498646b17
155dd229b8
hex3c5757d1

1012357073 has 16 divisors (see below), whose sum is σ = 1252882176. Its totient is φ = 796547520.

The previous prime is 1012357063. The next prime is 1012357153. The reversal of 1012357073 is 3707532101.

It is a cyclic number.

It is not a de Polignac number, because 1012357073 - 26 = 1012357009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1012357013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14261 + ... + 47202.

It is an arithmetic number, because the mean of its divisors is an integer number (78305136).

Almost surely, 21012357073 is an apocalyptic number.

1012357073 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1012357073 is a deficient number, since it is larger than the sum of its proper divisors (240525103).

1012357073 is a wasteful number, since it uses less digits than its factorization.

1012357073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61664.

The product of its (nonzero) digits is 4410, while the sum is 29.

The square root of 1012357073 is about 31817.5591929991. The cubic root of 1012357073 is about 1004.1021734957.

Adding to 1012357073 its reverse (3707532101), we get a palindrome (4719889174).

The spelling of 1012357073 in words is "one billion, twelve million, three hundred fifty-seven thousand, seventy-three".

Divisors: 1 7 13 91 181 1267 2353 16471 61463 430241 799019 5593133 11124803 77873621 144622439 1012357073