Search a number
-
+
200302121020 = 22510015106051
BaseRepresentation
bin1011101010001011101…
…1111101000000111100
3201011000101210000121211
42322202323331000330
511240204320333040
6232003441334204
720320446636211
oct2724273750074
9634011700554
10200302121020
1177a473641a1
12329a0937364
1315b71ab0501
1499a2287b08
155324c518ea
hex2ea2efd03c

200302121020 has 12 divisors (see below), whose sum is σ = 420634454184. Its totient is φ = 80120848400.

The previous prime is 200302121009. The next prime is 200302121027. The reversal of 200302121020 is 20121203002.

It is a super-2 number, since 2×2003021210202 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200302121027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5007553006 + ... + 5007553045.

It is an arithmetic number, because the mean of its divisors is an integer number (35052871182).

Almost surely, 2200302121020 is an apocalyptic number.

200302121020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200302121020 is an abundant number, since it is smaller than the sum of its proper divisors (220332333164).

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

200302121020 is a wasteful number, since it uses less digits than its factorization.

200302121020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10015106060 (or 10015106058 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 200302121020 its reverse (20121203002), we get a palindrome (220423324022).

The spelling of 200302121020 in words is "two hundred billion, three hundred two million, one hundred twenty-one thousand, twenty".

Divisors: 1 2 4 5 10 20 10015106051 20030212102 40060424204 50075530255 100151060510 200302121020