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40145103001 = 157255701293
BaseRepresentation
bin100101011000110101…
…011010100010011001
310211121210002112101201
4211120311122202121
51124204121244001
630235320514201
72620555513423
oct453065324231
9124553075351
1040145103001
1116030956083
12794461b961
133a2a158523
141d2b97d813
15109e5ea501
hex958d5a899

40145103001 has 4 divisors (see below), whose sum is σ = 40400804452. Its totient is φ = 39889401552.

The previous prime is 40145102993. The next prime is 40145103007. The reversal of 40145103001 is 10030154104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28845625600 + 11299477401 = 169840^2 + 106299^2 .

It is a cyclic number.

It is not a de Polignac number, because 40145103001 - 23 = 40145102993 is a prime.

It is a super-2 number, since 2×401451030012 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40145103001.

It is not an unprimeable number, because it can be changed into a prime (40145103007) 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 3 ways as a sum of consecutive naturals, for example, 127850490 + ... + 127850803.

It is an arithmetic number, because the mean of its divisors is an integer number (10100201113).

Almost surely, 240145103001 is an apocalyptic number.

It is an amenable number.

40145103001 is a deficient number, since it is larger than the sum of its proper divisors (255701451).

40145103001 is a wasteful number, since it uses less digits than its factorization.

40145103001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255701450.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 40145103001 its reverse (10030154104), we get a palindrome (50175257105).

It can be divided in two parts, 4014 and 5103001, that added together give a palindrome (5107015).

The spelling of 40145103001 in words is "forty billion, one hundred forty-five million, one hundred three thousand, one".

Divisors: 1 157 255701293 40145103001