Search a number
-
+
103620423655 = 574721340237
BaseRepresentation
bin110000010000001000…
…0100010111111100111
3100220110111002220211201
41200200100202333213
53144203312024110
6115334053143331
710325545032340
oct1404020427747
9326414086751
10103620423655
113aa44033a71
12180ba32ab47
139a048c0a68
14502dc090c7
152a66ed2b3a
hex1820422fe7

103620423655 has 24 divisors (see below), whose sum is σ = 145196023968. Its totient is φ = 69542165568.

The previous prime is 103620423601. The next prime is 103620423659. The reversal of 103620423655 is 556324026301.

It is not a de Polignac number, because 103620423655 - 29 = 103620423143 is a prime.

It is a super-3 number, since 3×1036204236553 (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103620423659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 592804 + ... + 747433.

It is an arithmetic number, because the mean of its divisors is an integer number (6049834332).

Almost surely, 2103620423655 is an apocalyptic number.

103620423655 is a deficient number, since it is larger than the sum of its proper divisors (41575600313).

103620423655 is an equidigital number, since it uses as much as digits as its factorization.

103620423655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340343 (or 1340296 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 103620423655 its reverse (556324026301), we get a palindrome (659944449956).

The spelling of 103620423655 in words is "one hundred three billion, six hundred twenty million, four hundred twenty-three thousand, six hundred fifty-five".

Divisors: 1 5 7 35 47 235 329 1645 2209 11045 15463 77315 1340237 6701185 9381659 46908295 62991139 314955695 440937973 2204689865 2960583533 14802917665 20724084731 103620423655