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42127562500 = 22568212
BaseRepresentation
bin100111001110111111…
…111001011100000100
311000201221102220120121
4213032333321130010
51142234124000000
631204135511324
73020650241632
oct471677713404
9130657386517
1042127562500
1116958a02261
1281b8528544
133c84aa0a9a
142078d90352
151168695b1a
hex9ceff9704

42127562500 has 63 divisors (see below), whose sum is σ = 92265244771. Its totient is φ = 16830500000.

The previous prime is 42127562467. The next prime is 42127562507. The reversal of 42127562500 is 526572124.

The square root of 42127562500 is 205250.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 10 ways, for example, as 26239464196 + 15888098304 = 161986^2 + 126048^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42127562507) by changing a digit.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 51312090 + ... + 51312910.

Almost surely, 242127562500 is an apocalyptic number.

42127562500 is the 205250-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42127562500

42127562500 is an abundant number, since it is smaller than the sum of its proper divisors (50137682271).

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

42127562500 is an frugal number, since it uses more digits than its factorization.

42127562500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1676 (or 828 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The spelling of 42127562500 in words is "forty-two billion, one hundred twenty-seven million, five hundred sixty-two thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 625 821 1250 1642 2500 3125 3284 4105 6250 8210 12500 15625 16420 20525 31250 41050 62500 82100 102625 205250 410500 513125 674041 1026250 1348082 2052500 2565625 2696164 3370205 5131250 6740410 10262500 12828125 13480820 16851025 25656250 33702050 51312500 67404100 84255125 168510250 337020500 421275625 842551250 1685102500 2106378125 4212756250 8425512500 10531890625 21063781250 42127562500