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20032100030 = 252988378229
BaseRepresentation
bin10010101010000000…
…011001011010111110
31220201001221010012202
4102222000121122332
5312011204200110
613111433231502
71306262016665
oct225200313276
956631833182
1020032100030
11854a664278
123a70862592
131b73236737
14d8067dddc
157c39ac0a5
hex4aa0196be

20032100030 has 32 divisors (see below), whose sum is σ = 37343872800. Its totient is φ = 7727674752.

The previous prime is 20032099979. The next prime is 20032100041. The reversal of 20032100030 is 3000123002.

It is a super-2 number, since 2×200321000302 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20032099984 and 20032100020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216956 + ... + 295184.

It is an arithmetic number, because the mean of its divisors is an integer number (1166996025).

Almost surely, 220032100030 is an apocalyptic number.

20032100030 is a deficient number, since it is larger than the sum of its proper divisors (17311772770).

20032100030 is a wasteful number, since it uses less digits than its factorization.

20032100030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79148.

The product of its (nonzero) digits is 36, while the sum is 11.

Adding to 20032100030 its reverse (3000123002), we get a palindrome (23032223032).

The spelling of 20032100030 in words is "twenty billion, thirty-two million, one hundred thousand, thirty".

Divisors: 1 2 5 10 29 58 145 290 883 1766 4415 8830 25607 51214 78229 128035 156458 256070 391145 782290 2268641 4537282 11343205 22686410 69076207 138152414 345381035 690762070 2003210003 4006420006 10016050015 20032100030