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30423432416 = 251373133251
BaseRepresentation
bin11100010101011000…
…001011110011100000
32220112021001111110012
4130111120023303200
5444301344314131
621550515424052
72124630623456
oct342530136340
986467044405
1030423432416
11119a2264083
125a908b5028
132b3b01c220
14168878c9d6
15bd0dba52b
hex71560bce0

30423432416 has 24 divisors (see below), whose sum is σ = 64503528264. Its totient is φ = 14041584000.

The previous prime is 30423432409. The next prime is 30423432421. The reversal of 30423432416 is 61423432403.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

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, 36566210 + ... + 36567041.

It is an arithmetic number, because the mean of its divisors is an integer number (2687647011).

Almost surely, 230423432416 is an apocalyptic number.

It is an amenable number.

30423432416 is an abundant number, since it is smaller than the sum of its proper divisors (34080095848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30423432416 is a wasteful number, since it uses less digits than its factorization.

30423432416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73133274 (or 73133266 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 30423432416 its reverse (61423432403), we get a palindrome (91846864819).

The spelling of 30423432416 in words is "thirty billion, four hundred twenty-three million, four hundred thirty-two thousand, four hundred sixteen".

Divisors: 1 2 4 8 13 16 26 32 52 104 208 416 73133251 146266502 292533004 585066008 950732263 1170132016 1901464526 2340264032 3802929052 7605858104 15211716208 30423432416