Search a number
-
+
101243430351 = 3271794531681
BaseRepresentation
bin101111001001010010…
…1000010010111001111
3100200022211101011000200
41132102211002113033
53124321304232401
6114302142024543
710212622646610
oct1362245022717
9320284334020
10101243430351
1139a34305798
1217756278153
1397162cbc4b
144c86257c07
1529784a3686
hex17929425cf

101243430351 has 24 divisors (see below), whose sum is σ = 176963308704. Its totient is φ = 54450247680.

The previous prime is 101243430347. The next prime is 101243430377. The reversal of 101243430351 is 153034342101.

It is a happy number.

It is not a de Polignac number, because 101243430351 - 22 = 101243430347 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101243430331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47264770 + ... + 47266911.

It is an arithmetic number, because the mean of its divisors is an integer number (7373471196).

Almost surely, 2101243430351 is an apocalyptic number.

101243430351 is a deficient number, since it is larger than the sum of its proper divisors (75719878353).

101243430351 is a wasteful number, since it uses less digits than its factorization.

101243430351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94531711 (or 94531708 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 101243430351 its reverse (153034342101), we get a palindrome (254277772452).

The spelling of 101243430351 in words is "one hundred one billion, two hundred forty-three million, four hundred thirty thousand, three hundred fifty-one".

Divisors: 1 3 7 9 17 21 51 63 119 153 357 1071 94531681 283595043 661721767 850785129 1607038577 1985165301 4821115731 5955495903 11249270039 14463347193 33747810117 101243430351