Search a number
-
+
22000413440 = 28517187823
BaseRepresentation
bin10100011111010100…
…111010101100000000
32002210020122210121102
4110133110322230000
5330024101212230
614035025113532
71406122300025
oct243724725400
962706583542
1022000413440
11936a729275
12431ba888a8
1320c7c68225
1410c9c4b54c
1588b6b1045
hex51f53ab00

22000413440 has 36 divisors (see below), whose sum is σ = 52697868384. Its totient is φ = 8800164864.

The previous prime is 22000413437. The next prime is 22000413451. The reversal of 22000413440 is 4431400022.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8592632 + ... + 8595191.

Almost surely, 222000413440 is an apocalyptic number.

22000413440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22000413440 is an abundant number, since it is smaller than the sum of its proper divisors (30697454944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22000413440 is an equidigital number, since it uses as much as digits as its factorization.

22000413440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17187844 (or 17187830 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 22000413440 its reverse (4431400022), we get a palindrome (26431813462).

The spelling of 22000413440 in words is "twenty-two billion, four hundred thirteen thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 640 1280 17187823 34375646 68751292 85939115 137502584 171878230 275005168 343756460 550010336 687512920 1100020672 1375025840 2200041344 2750051680 4400082688 5500103360 11000206720 22000413440