Search a number
-
+
10242023421 = 37716919941
BaseRepresentation
bin10011000100111100…
…01101111111111101
3222102210011200211210
421202132031333331
5131433424222141
64412150035033
7511543522410
oct114236157775
928383150753
1010242023421
11438639a873
121b9a048a79
13c72b992b6
146d2363b77
153ee268916
hex26278dffd

10242023421 has 32 divisors (see below), whose sum is σ = 15851206656. Its totient is φ = 5761224000.

The previous prime is 10242023417. The next prime is 10242023431. The reversal of 10242023421 is 12432024201.

It is not a de Polignac number, because 10242023421 - 22 = 10242023417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10242023431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1025311 + ... + 1035251.

It is an arithmetic number, because the mean of its divisors is an integer number (495350208).

Almost surely, 210242023421 is an apocalyptic number.

It is an amenable number.

10242023421 is a deficient number, since it is larger than the sum of its proper divisors (5609183235).

10242023421 is an equidigital number, since it uses as much as digits as its factorization.

10242023421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10713.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 10242023421 its reverse (12432024201), we get a palindrome (22674047622).

The spelling of 10242023421 in words is "ten billion, two hundred forty-two million, twenty-three thousand, four hundred twenty-one".

Divisors: 1 3 7 21 71 213 497 691 1491 2073 4837 9941 14511 29823 49061 69587 147183 208761 343427 705811 1030281 2117433 4940677 6869231 14822031 20607693 48084617 144253851 487715401 1463146203 3414007807 10242023421