Search a number
-
+
22452401152400 = 245256131002881
BaseRepresentation
bin1010001101011100110110…
…11001010010000110010000
32221111102120102220002002212
411012232123121102012100
510420330004143334100
6115430253553531252
74505063300620022
oct506563331220620
987442512802085
1022452401152400
11717701213263a
122627513873b28
13c6b33852649b
145789b8480012
1528e089d04635
hex146b9b652190

22452401152400 has 30 divisors (see below), whose sum is σ = 53941893769602. Its totient is φ = 8980960460800.

The previous prime is 22452401152351. The next prime is 22452401152403. The reversal of 22452401152400 is 425110425422.

It can be written as a sum of positive squares in 3 ways, for example, as 80674177024 + 22371726975376 = 284032^2 + 4729876^2 .

It is a super-2 number, since 2×224524011524002 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22452401152403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28065501041 + ... + 28065501840.

Almost surely, 222452401152400 is an apocalyptic number.

22452401152400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22452401152400 is an abundant number, since it is smaller than the sum of its proper divisors (31489492617202).

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

22452401152400 is a wasteful number, since it uses less digits than its factorization.

22452401152400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56131002899 (or 56131002888 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 32.

Adding to 22452401152400 its reverse (425110425422), we get a palindrome (22877511577822).

The spelling of 22452401152400 in words is "twenty-two trillion, four hundred fifty-two billion, four hundred one million, one hundred fifty-two thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 56131002881 112262005762 224524011524 280655014405 449048023048 561310028810 898096046096 1122620057620 1403275072025 2245240115240 2806550144050 4490480230480 5613100288100 11226200576200 22452401152400