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30320144102 = 2191637016983
BaseRepresentation
bin11100001111001110…
…001010111011100110
32220021001200220112002
4130033032022323212
5444043424102402
621532345525302
72122234654403
oct341716127346
986231626462
1030320144102
1111949a27036
125a621a3832
132b227c6a91
141678b832aa
15bc6cb6602
hex70f38aee6

30320144102 has 32 divisors (see below), whose sum is σ = 48243237120. Its totient is φ = 14251658400.

The previous prime is 30320144081. The next prime is 30320144149. The reversal of 30320144102 is 20144102303.

It is a super-2 number, since 2×303201441022 (a number of 22 digits) contains 22 as substring.

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, 4338503 + ... + 4345485.

It is an arithmetic number, because the mean of its divisors is an integer number (1507601160).

Almost surely, 230320144102 is an apocalyptic number.

30320144102 is a deficient number, since it is larger than the sum of its proper divisors (17923093018).

30320144102 is a wasteful number, since it uses less digits than its factorization.

30320144102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7868.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 30320144102 its reverse (20144102303), we get a palindrome (50464246405).

The spelling of 30320144102 in words is "thirty billion, three hundred twenty million, one hundred forty-four thousand, one hundred two".

Divisors: 1 2 19 38 163 326 701 1402 3097 6194 6983 13319 13966 26638 114263 132677 228526 265354 1138229 2170997 2276458 4341994 4895083 9790166 21626351 43252702 93006577 186013154 797898529 1595797058 15160072051 30320144102