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54211152500 = 225421684461
BaseRepresentation
bin110010011111001111…
…001000101001110100
312011221001211212211222
4302133033020221310
51342011023340000
640523153045512
73626255123201
oct623717105164
9164831755758
1054211152500
1120a9986727a
12a60b256898
13515c351a3b
1428a3b2aca8
151624428a85
hexc9f3c8a74

54211152500 has 30 divisors (see below), whose sum is σ = 118548953754. Its totient is φ = 21684460000.

The previous prime is 54211152439. The next prime is 54211152521. The reversal of 54211152500 is 525111245.

It can be written as a sum of positive squares in 5 ways, for example, as 9479748496 + 44731404004 = 97364^2 + 211498^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 54211152500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10839731 + ... + 10844730.

Almost surely, 254211152500 is an apocalyptic number.

54211152500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

54211152500 is an abundant number, since it is smaller than the sum of its proper divisors (64337801254).

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

54211152500 is a wasteful number, since it uses less digits than its factorization.

54211152500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21684485 (or 21684468 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 26.

Adding to 54211152500 its reverse (525111245), we get a palindrome (54736263745).

The spelling of 54211152500 in words is "fifty-four billion, two hundred eleven million, one hundred fifty-two thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 625 1250 2500 21684461 43368922 86737844 108422305 216844610 433689220 542111525 1084223050 2168446100 2710557625 5421115250 10842230500 13552788125 27105576250 54211152500