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21022030202 = 2103110194971
BaseRepresentation
bin10011100101000000…
…101011100101111010
32000021001122210010012
4103211000223211322
5321023114431302
613353555021522
71342642210535
oct234500534572
960231583105
1021022030202
118a0842a488
1240a829a8a2
131ca0359334
141035d29a1c
1583084ea52
hex4e502b97a

21022030202 has 8 divisors (see below), whose sum is σ = 31563633312. Its totient is φ = 10500819100.

The previous prime is 21022030201. The next prime is 21022030229. The reversal of 21022030202 is 20203022012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (21022030201) 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 3 ways as a sum of consecutive naturals, for example, 5095424 + ... + 5099547.

It is an arithmetic number, because the mean of its divisors is an integer number (3945454164).

Almost surely, 221022030202 is an apocalyptic number.

21022030202 is a deficient number, since it is larger than the sum of its proper divisors (10541603110).

21022030202 is a wasteful number, since it uses less digits than its factorization.

21022030202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10196004.

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 21022030202 its reverse (20203022012), we get a palindrome (41225052214).

The spelling of 21022030202 in words is "twenty-one billion, twenty-two million, thirty thousand, two hundred two".

Divisors: 1 2 1031 2062 10194971 20389942 10511015101 21022030202