Search a number
-
+
1207523940925 = 52111494332313
BaseRepresentation
bin10001100100100110000…
…010010001101000111101
311021102211102022220121011
4101210212002101220331
5124241002112102200
62322421232435221
7153145366100611
oct21444602215075
94242742286534
101207523940925
1142612086a295
121760393a8b11
1389b3b308b63
14426318ad341
15216254eb5ba
hex11926091a3d

1207523940925 has 12 divisors (see below), whose sum is σ = 1497464334100. Its totient is φ = 965932283520.

The previous prime is 1207523940923. The next prime is 1207523940949. The reversal of 1207523940925 is 5290493257021.

It can be written as a sum of positive squares in 6 ways, for example, as 121430643961 + 1086093296964 = 348469^2 + 1042158^2 .

It is not a de Polignac number, because 1207523940925 - 21 = 1207523940923 is a prime.

It is a super-2 number, since 2×12075239409252 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1207523940923) 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 11 ways as a sum of consecutive naturals, for example, 1887432 + ... + 2444881.

Almost surely, 21207523940925 is an apocalyptic number.

It is an amenable number.

1207523940925 is a deficient number, since it is larger than the sum of its proper divisors (289940393175).

1207523940925 is a wasteful number, since it uses less digits than its factorization.

1207523940925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4343472 (or 4343467 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 49.

The spelling of 1207523940925 in words is "one trillion, two hundred seven billion, five hundred twenty-three million, nine hundred forty thousand, nine hundred twenty-five".

Divisors: 1 5 25 11149 55745 278725 4332313 21661565 108307825 48300957637 241504788185 1207523940925