Search a number
-
+
1021210052 = 22539947287
BaseRepresentation
bin111100110111100…
…110110111000100
32122011120211211112
4330313212313010
54042412210202
6245200024152
734210066532
oct7467466704
92564524745
101021210052
114844a0255
12246002058
13133755305
14998ad152
155e9c0b52
hex3cde6dc4

1021210052 has 12 divisors (see below), whose sum is σ = 1787486400. Its totient is φ = 510499656.

The previous prime is 1021210049. The next prime is 1021210063. The reversal of 1021210052 is 2500121201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2048 + ... + 45239.

It is an arithmetic number, because the mean of its divisors is an integer number (148957200).

Almost surely, 21021210052 is an apocalyptic number.

It is an amenable number.

1021210052 is a deficient number, since it is larger than the sum of its proper divisors (766276348).

1021210052 is a wasteful number, since it uses less digits than its factorization.

1021210052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52690 (or 52688 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 1021210052 is about 31956.3773291029. The cubic root of 1021210052 is about 1007.0206129804.

Adding to 1021210052 its reverse (2500121201), we get a palindrome (3521331253).

The spelling of 1021210052 in words is "one billion, twenty-one million, two hundred ten thousand, fifty-two".

Divisors: 1 2 4 5399 10798 21596 47287 94574 189148 255302513 510605026 1021210052