Search a number
-
+
145243135121011 = 1136373201684839
BaseRepresentation
bin100001000001100100001101…
…011110011001011001110011
3201001021002220210222112112021
4201001210031132121121303
5123014130420042333021
61232523435233012311
742410320200341434
oct4101441536313163
9631232823875467
10145243135121011
11423082a4327844
12143591140b4097
1363074a454a275
1427c1b3b85d48b
1511bd191eedc41
hex84190d799673

145243135121011 has 8 divisors (see below), whose sum is σ = 146551465398240. Its totient is φ = 143935208226432.

The previous prime is 145243135120961. The next prime is 145243135121087. The reversal of 145243135121011 is 110121531342541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145243135121011 - 239 = 144693379307123 is a prime.

It is a super-2 number, since 2×1452431351210112 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145243135121111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100122271 + ... + 101562568.

It is an arithmetic number, because the mean of its divisors is an integer number (18318933174780).

Almost surely, 2145243135121011 is an apocalyptic number.

145243135121011 is a deficient number, since it is larger than the sum of its proper divisors (1308330277229).

145243135121011 is a wasteful number, since it uses less digits than its factorization.

145243135121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201691325.

The product of its (nonzero) digits is 14400, while the sum is 34.

Adding to 145243135121011 its reverse (110121531342541), we get a palindrome (255364666463552).

The spelling of 145243135121011 in words is "one hundred forty-five trillion, two hundred forty-three billion, one hundred thirty-five million, one hundred twenty-one thousand, eleven".

Divisors: 1 113 6373 720149 201684839 22790386807 1285337478947 145243135121011