Search a number
-
+
212792551600 = 2452531981379
BaseRepresentation
bin1100011000101101101…
…1001010100010110000
3202100020212201122020211
43012023123022202300
511441244343122400
6241431110513504
721242124562546
oct3061333124260
9670225648224
10212792551600
11822769365a2
12352a7965894
13170b2729535
14a429089d96
155806599dba
hex318b6ca8b0

212792551600 has 30 divisors (see below), whose sum is σ = 511234106180. Its totient is φ = 85117020480.

The previous prime is 212792551583. The next prime is 212792551607. The reversal of 212792551600 is 6155297212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (212792551607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 265990290 + ... + 265991089.

Almost surely, 2212792551600 is an apocalyptic number.

212792551600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212792551600 is an abundant number, since it is smaller than the sum of its proper divisors (298441554580).

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

212792551600 is a wasteful number, since it uses less digits than its factorization.

212792551600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531981397 (or 531981386 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 40.

The spelling of 212792551600 in words is "two hundred twelve billion, seven hundred ninety-two million, five hundred fifty-one thousand, six hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 531981379 1063962758 2127925516 2659906895 4255851032 5319813790 8511702064 10639627580 13299534475 21279255160 26599068950 42558510320 53198137900 106396275800 212792551600