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21000030000233 = 107265973810441
BaseRepresentation
bin1001100011001011100110…
…10101000001010001101001
32202100120202012100002201112
410301211303111001101221
510223031030140001413
6112355140335400105
74265126214540104
oct461456325012151
982316665302645
1021000030000233
116767076513609
122431b43683035
13b943a985469b
1452859a67373b
152663d40762a8
hex131973541469

21000030000233 has 8 divisors (see below), whose sum is σ = 21204263777760. Its totient is φ = 20795943849120.

The previous prime is 21000030000223. The next prime is 21000030000241. The reversal of 21000030000233 is 33200003000012.

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

It is a cyclic number.

It is not a de Polignac number, because 21000030000233 - 228 = 20999761564777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21000030000223) 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, 36620708 + ... + 37189733.

It is an arithmetic number, because the mean of its divisors is an integer number (2650532972220).

Almost surely, 221000030000233 is an apocalyptic number.

It is an amenable number.

21000030000233 is a deficient number, since it is larger than the sum of its proper divisors (204233777527).

21000030000233 is a wasteful number, since it uses less digits than its factorization.

21000030000233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73813207.

The product of its (nonzero) digits is 108, while the sum is 14.

Adding to 21000030000233 its reverse (33200003000012), we get a palindrome (54200033000245).

The spelling of 21000030000233 in words is "twenty-one trillion, thirty million, two hundred thirty-three", and thus it is an aban number.

Divisors: 1 107 2659 284513 73810441 7897717187 196261962619 21000030000233