Search a number
-
+
40002420412 = 22197119937253
BaseRepresentation
bin100101010000010101…
…000111111010111100
310211020211121111200101
4211100111013322330
51123411104423122
630213222410444
72614203651253
oct452025077274
9124224544611
1040002420412
1115a68361589
127904890a24
133a0671c166
141d16a3b79a
151091d14027
hex950547ebc

40002420412 has 48 divisors (see below), whose sum is σ = 75104064000. Its totient is φ = 18587257920.

The previous prime is 40002420407. The next prime is 40002420413. The reversal of 40002420412 is 21402420004.

40002420412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 40002420412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40002420413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1055178 + ... + 1092430.

It is an arithmetic number, because the mean of its divisors is an integer number (1564668000).

Almost surely, 240002420412 is an apocalyptic number.

It is an amenable number.

40002420412 is a deficient number, since it is larger than the sum of its proper divisors (35101643588).

40002420412 is a wasteful number, since it uses less digits than its factorization.

40002420412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37546 (or 37544 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 40002420412 its reverse (21402420004), we get a palindrome (61404840416).

The spelling of 40002420412 in words is "forty billion, two million, four hundred twenty thousand, four hundred twelve".

Divisors: 1 2 4 19 38 71 76 142 199 284 398 796 1349 2698 3781 5396 7562 14129 15124 28258 37253 56516 74506 149012 268451 536902 707807 1073804 1415614 2644963 2831228 5289926 7413347 10579852 14826694 29653388 50254297 100508594 140853593 201017188 281707186 526347637 563414372 1052695274 2105390548 10000605103 20001210206 40002420412