Search a number
-
+
153562120442 = 2149515309129
BaseRepresentation
bin1000111100000100000…
…1000000000011111010
3112200101000012222111022
42033001001000003322
510003443400323232
6154313453102442
714044261326023
oct2170101000372
9480330188438
10153562120442
115a1418a4a45
1225917787a22
1311633558c33
14760a8bdc4a
153edb6ac812
hex23c10400fa

153562120442 has 8 divisors (see below), whose sum is σ = 231889108500. Its totient is φ = 76265750944.

The previous prime is 153562120441. The next prime is 153562120451. The reversal of 153562120442 is 244021265351.

153562120442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 134021155921 + 19540964521 = 366089^2 + 139789^2 .

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

It is a super-3 number, since 3×1535621204423 (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (153562120441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257654267 + ... + 257654862.

Almost surely, 2153562120442 is an apocalyptic number.

153562120442 is a deficient number, since it is larger than the sum of its proper divisors (78326988058).

153562120442 is a wasteful number, since it uses less digits than its factorization.

153562120442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515309280.

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 153562120442 its reverse (244021265351), we get a palindrome (397583385793).

The spelling of 153562120442 in words is "one hundred fifty-three billion, five hundred sixty-two million, one hundred twenty thousand, four hundred forty-two".

Divisors: 1 2 149 298 515309129 1030618258 76781060221 153562120442