Search a number
-
+
1375540101 = 321359199267
BaseRepresentation
bin101000111111101…
…0001001110000101
310112212022200021200
41101333101032011
510304114240401
6344254333113
746041616665
oct12177211605
93485280250
101375540101
11646502701
123247ba199
1318bc96370
14d09861a5
1580b62686
hex51fd1385

1375540101 has 24 divisors (see below), whose sum is σ = 2176006560. Its totient is φ = 832134816.

The previous prime is 1375540069. The next prime is 1375540141. The reversal of 1375540101 is 1010455731.

1375540101 is a `hidden beast` number, since 1 + 3 + 7 + 554 + 0 + 101 = 666.

It is not a de Polignac number, because 1375540101 - 25 = 1375540069 is a prime.

It is a super-2 number, since 2×13755401012 = 3784221138918180402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375540141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92731 + ... + 106536.

It is an arithmetic number, because the mean of its divisors is an integer number (90666940).

Almost surely, 21375540101 is an apocalyptic number.

It is an amenable number.

1375540101 is a deficient number, since it is larger than the sum of its proper divisors (800466459).

1375540101 is a wasteful number, since it uses less digits than its factorization.

1375540101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199345 (or 199342 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 1375540101 is about 37088.2744408526. The cubic root of 1375540101 is about 1112.1356230581.

Adding to 1375540101 its reverse (1010455731), we get a palindrome (2385995832).

The spelling of 1375540101 in words is "one billion, three hundred seventy-five million, five hundred forty thousand, one hundred one".

Divisors: 1 3 9 13 39 59 117 177 531 767 2301 6903 199267 597801 1793403 2590471 7771413 11756753 23314239 35270259 105810777 152837789 458513367 1375540101