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1373235125 = 53231273761
BaseRepresentation
bin101000111011001…
…1110011110110101
310112200222120110012
41101312132132311
510303022011000
6344133110005
746013206643
oct12166363665
93480876405
101373235125
11645178969
12323a88305
1318b66a182
14d0546193
1580859735
hex51d9e7b5

1373235125 has 32 divisors (see below), whose sum is σ = 1802870784. Its totient is φ = 1042272000.

The previous prime is 1373235119. The next prime is 1373235137. The reversal of 1373235125 is 5215323731.

It is a de Polignac number, because none of the positive numbers 2k-1373235125 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1373235091 and 1373235100.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 363245 + ... + 367005.

It is an arithmetic number, because the mean of its divisors is an integer number (56339712).

Almost surely, 21373235125 is an apocalyptic number.

It is an amenable number.

1373235125 is a deficient number, since it is larger than the sum of its proper divisors (429635659).

1373235125 is a wasteful number, since it uses less digits than its factorization.

1373235125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3926 (or 3916 counting only the distinct ones).

The product of its digits is 18900, while the sum is 32.

The square root of 1373235125 is about 37057.1872246127. The cubic root of 1373235125 is about 1111.5140783288.

Adding to 1373235125 its reverse (5215323731), we get a palindrome (6588558856).

The spelling of 1373235125 in words is "one billion, three hundred seventy-three million, two hundred thirty-five thousand, one hundred twenty-five".

Divisors: 1 5 23 25 115 125 127 575 635 2875 2921 3175 3761 14605 15875 18805 73025 86503 94025 365125 432515 470125 477647 2162575 2388235 10812875 10985881 11941175 54929405 59705875 274647025 1373235125