Search a number
-
+
310013123124242 = 2155006561562121
BaseRepresentation
bin100011001111101001000111…
…0000101000101110000010010
31111122122222001120122121212002
41012133102032011011300102
5311113223334004433432
63015202021311234002
7122204465122634666
oct10637221605056022
91448588046577762
10310013123124242
118a863910a83a6a
122a92a753818902
13103ca15c2b0cc5
14567aa027c08a6
1525c9245924e62
hex119f48e145c12

310013123124242 has 4 divisors (see below), whose sum is σ = 465019684686366. Its totient is φ = 155006561562120.

The previous prime is 310013123124241. The next prime is 310013123124343. The reversal of 310013123124242 is 242421321310013.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 297332395002241 + 12680728122001 = 17243329^2 + 3561001^2 .

It is a super-2 number, since 2×3100131231242422 (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (310013123124241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77503280781059 + ... + 77503280781062.

Almost surely, 2310013123124242 is an apocalyptic number.

310013123124242 is a deficient number, since it is larger than the sum of its proper divisors (155006561562124).

310013123124242 is a wasteful number, since it uses less digits than its factorization.

310013123124242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155006561562123.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 310013123124242 its reverse (242421321310013), we get a palindrome (552434444434255).

The spelling of 310013123124242 in words is "three hundred ten trillion, thirteen billion, one hundred twenty-three million, one hundred twenty-four thousand, two hundred forty-two".

Divisors: 1 2 155006561562121 310013123124242