Search a number
-
+
20041005452 = 22133731133493
BaseRepresentation
bin10010101010100010…
…010111100110001100
31220201200200120011012
4102222202113212030
5312020444133302
613112352144352
71306430510216
oct225242274614
956650616135
1020041005452
118554697026
123a738380b8
131b75034010
14d8191b5b6
157c466aa52
hex4aa89798c

20041005452 has 48 divisors (see below), whose sum is σ = 38916276672. Its totient is φ = 8970497280.

The previous prime is 20041005443. The next prime is 20041005461. The reversal of 20041005452 is 25450014002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20041005443) and next prime (20041005461).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 581618 + ... + 615110.

It is an arithmetic number, because the mean of its divisors is an integer number (810755764).

Almost surely, 220041005452 is an apocalyptic number.

It is an amenable number.

20041005452 is a deficient number, since it is larger than the sum of its proper divisors (18875271220).

20041005452 is a wasteful number, since it uses less digits than its factorization.

20041005452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33858 (or 33856 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

Adding to 20041005452 its reverse (25450014002), we get a palindrome (45491019454).

The spelling of 20041005452 in words is "twenty billion, forty-one million, five thousand, four hundred fifty-two".

Divisors: 1 2 4 13 26 37 52 74 148 311 481 622 962 1244 1924 4043 8086 11507 16172 23014 33493 46028 66986 133972 149591 299182 435409 598364 870818 1239241 1741636 2478482 4956964 10416323 16110133 20832646 32220266 41665292 64440532 135412199 270824398 385403951 541648796 770807902 1541615804 5010251363 10020502726 20041005452