Search a number
-
+
1012550525 = 52771227359
BaseRepresentation
bin111100010110100…
…100101101111101
32121120021220012022
4330112210231331
54033203104100
6244250245525
734043352230
oct7426445575
92546256168
101012550525
1147a616218
122431268a5
13131a1292c
1498697417
155dd5ee85
hex3c5a4b7d

1012550525 has 48 divisors (see below), whose sum is σ = 1465620480. Its totient is φ = 679627200.

The previous prime is 1012550521. The next prime is 1012550533. The reversal of 1012550525 is 5250552101.

It is not a de Polignac number, because 1012550525 - 22 = 1012550521 is a prime.

It is a super-3 number, since 3×10125505253 (a number of 28 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1012550494 and 1012550503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012550521) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2820296 + ... + 2820654.

It is an arithmetic number, because the mean of its divisors is an integer number (30533760).

Almost surely, 21012550525 is an apocalyptic number.

It is an amenable number.

1012550525 is a deficient number, since it is larger than the sum of its proper divisors (453069955).

1012550525 is a wasteful number, since it uses less digits than its factorization.

1012550525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674 (or 669 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 26.

The square root of 1012550525 is about 31820.5990672709. The cubic root of 1012550525 is about 1004.1661276108.

The spelling of 1012550525 in words is "one billion, twelve million, five hundred fifty thousand, five hundred twenty-five".

Divisors: 1 5 7 25 35 71 175 227 355 359 497 1135 1589 1775 1795 2485 2513 5675 7945 8975 12425 12565 16117 25489 39725 62825 80585 81493 112819 127445 178423 402925 407465 564095 570451 637225 892115 2037325 2820475 2852255 4460575 5786003 14261275 28930015 40502021 144650075 202510105 1012550525