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30446830238 = 21117376721611
BaseRepresentation
bin11100010110110001…
…011100001010011110
32220120220002020020012
4130112301130022132
5444323342031423
621553113123222
72125333533626
oct342661341236
986526066205
1030446830238
1111a04495220
125a986b9512
132b42b220a6
14168b91d886
15bd2e8d078
hex716c5c29e

30446830238 has 32 divisors (see below), whose sum is σ = 52769242368. Its totient is φ = 13021321600.

The previous prime is 30446830223. The next prime is 30446830241. The reversal of 30446830238 is 83203864403.

It is a super-2 number, since 2×304468302382 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30446830195 and 30446830204.

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, 1398053 + ... + 1419663.

It is an arithmetic number, because the mean of its divisors is an integer number (1649038824).

Almost surely, 230446830238 is an apocalyptic number.

30446830238 is a deficient number, since it is larger than the sum of its proper divisors (22322412130).

30446830238 is a wasteful number, since it uses less digits than its factorization.

30446830238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25408.

The product of its (nonzero) digits is 331776, while the sum is 41.

The spelling of 30446830238 in words is "thirty billion, four hundred forty-six million, eight hundred thirty thousand, two hundred thirty-eight".

Divisors: 1 2 11 17 22 34 187 374 3767 7534 21611 41437 43222 64039 82874 128078 237721 367387 475442 704429 734774 1408858 4041257 8082514 81408637 162817274 895495007 1383946829 1790990014 2767893658 15223415119 30446830238