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30730437904 = 2412715123247
BaseRepresentation
bin11100100111101011…
…010100010100010000
32221022122201222210211
4130213223110110100
51000413443003104
622041203533504
72135346261265
oct344753242420
987278658724
1030730437904
111203a592921
125b5768a294
132b8980088a
1416b746726c
15becd0ee04
hex727ad4510

30730437904 has 20 divisors (see below), whose sum is σ = 60009048064. Its totient is φ = 15244231968.

The previous prime is 30730437887. The next prime is 30730437929. The reversal of 30730437904 is 40973403703.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7559592 + ... + 7563655.

Almost surely, 230730437904 is an apocalyptic number.

It is an amenable number.

30730437904 is a deficient number, since it is larger than the sum of its proper divisors (29278610160).

30730437904 is a wasteful number, since it uses less digits than its factorization.

30730437904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15123382 (or 15123376 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 40.

The spelling of 30730437904 in words is "thirty billion, seven hundred thirty million, four hundred thirty-seven thousand, nine hundred four".

Divisors: 1 2 4 8 16 127 254 508 1016 2032 15123247 30246494 60492988 120985976 241971952 1920652369 3841304738 7682609476 15365218952 30730437904