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53254240400 = 2452133135601
BaseRepresentation
bin110001100110001100…
…110011100010010000
312002110101020201020002
4301212030303202100
51333031041143100
640244211105132
73563455401044
oct614614634220
9162411221202
1053254240400
11206486a3029
12a3a28a21a8
13503901ca6a
1428129d8024
1515ba4092d5
hexc66333890

53254240400 has 30 divisors (see below), whose sum is σ = 127943313522. Its totient is φ = 21301696000.

The previous prime is 53254240381. The next prime is 53254240423. The reversal of 53254240400 is 404245235.

It can be written as a sum of positive squares in 3 ways, for example, as 12244750336 + 41009490064 = 110656^2 + 202508^2 .

It is a super-3 number, since 3×532542404003 (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66567401 + ... + 66568200.

Almost surely, 253254240400 is an apocalyptic number.

53254240400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53254240400 is an abundant number, since it is smaller than the sum of its proper divisors (74689073122).

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

53254240400 is a wasteful number, since it uses less digits than its factorization.

53254240400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133135619 (or 133135608 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

Adding to 53254240400 its reverse (404245235), we get a palindrome (53658485635).

The spelling of 53254240400 in words is "fifty-three billion, two hundred fifty-four million, two hundred forty thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 133135601 266271202 532542404 665678005 1065084808 1331356010 2130169616 2662712020 3328390025 5325424040 6656780050 10650848080 13313560100 26627120200 53254240400