Search a number
-
+
75124632200 = 2352193812
BaseRepresentation
bin100010111110111000…
…1101110101010001000
321011220120020201200012
41011331301232222020
52212323401212300
654302313331052
75266441560212
oct1057561565210
9234816221605
1075124632200
11299509950a2
1212687106a88
1371130626b7
1438c947b5b2
151e4a485435
hex117dc6ea88

75124632200 has 36 divisors (see below), whose sum is σ = 174673782495. Its totient is φ = 30048302400.

The previous prime is 75124632179. The next prime is 75124632203. The reversal of 75124632200 is 223642157.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 48667007236 + 26457624964 = 220606^2 + 162658^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=193810.

It is not an unprimeable number, because it can be changed into a prime (75124632203) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 3866510 + ... + 3885890.

Almost surely, 275124632200 is an apocalyptic number.

It is an amenable number.

75124632200 is an abundant number, since it is smaller than the sum of its proper divisors (99549150295).

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

75124632200 is an frugal number, since it uses more digits than its factorization.

75124632200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38778 (or 19388 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

Multiplying 75124632200 by its sum of digits (32), we get a square (2403988230400 = 15504802).

The spelling of 75124632200 in words is "seventy-five billion, one hundred twenty-four million, six hundred thirty-two thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 19381 38762 77524 96905 155048 193810 387620 484525 775240 969050 1938100 3876200 375623161 751246322 1502492644 1878115805 3004985288 3756231610 7512463220 9390579025 15024926440 18781158050 37562316100 75124632200