Search a number
-
+
10001201200220 = 225614671813541
BaseRepresentation
bin1001000110001001011000…
…0010110111110001011100
31022102002211220111112202102
42101202112002313301130
52302324430001401340
633134253254544232
72051364042361616
oct221422602676134
938362756445672
1010001201200220
11320653838a57a
121156372068078
13577155c80099
142680bc891db6
1512524a619215
hex918960b7c5c

10001201200220 has 24 divisors (see below), whose sum is σ = 21002582505408. Its totient is φ = 4000469054400.

The previous prime is 10001201200183. The next prime is 10001201200223. The reversal of 10001201200220 is 2200210210001.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001201200223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11886650 + ... + 12700190.

It is an arithmetic number, because the mean of its divisors is an integer number (875107604392).

Almost surely, 210001201200220 is an apocalyptic number.

10001201200220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10001201200220 is an abundant number, since it is smaller than the sum of its proper divisors (11001381305188).

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

10001201200220 is a wasteful number, since it uses less digits than its factorization.

10001201200220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428221 (or 1428219 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10001201200220 its reverse (2200210210001), we get a palindrome (12201411410221).

The spelling of 10001201200220 in words is "ten trillion, one billion, two hundred one million, two hundred thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 614671 813541 1229342 1627082 2458684 3073355 3254164 4067705 6146710 8135410 12293420 16270820 500060060011 1000120120022 2000240240044 2500300300055 5000600600110 10001201200220