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30545225432 = 2315740160647
BaseRepresentation
bin11100011100101000…
…110010011011011000
32220211202020020001122
4130130220302123120
51000024034203212
622010550104412
72130640063241
oct343450623330
986752206048
1030545225432
1111a54a8aa67
125b0564b108
132b5a3232b7
14169aa13cc8
15bdb927272
hex71ca326d8

30545225432 has 32 divisors (see below), whose sum is σ = 57781775520. Its totient is φ = 15137241600.

The previous prime is 30545225419. The next prime is 30545225519. The reversal of 30545225432 is 23452254503.

It is a junction number, because it is equal to n+sod(n) for n = 30545225392 and 30545225401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 473333 + ... + 533979.

It is an arithmetic number, because the mean of its divisors is an integer number (1805680485).

Almost surely, 230545225432 is an apocalyptic number.

It is an amenable number.

30545225432 is a deficient number, since it is larger than the sum of its proper divisors (27236550088).

30545225432 is a wasteful number, since it uses less digits than its factorization.

30545225432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61211 (or 61207 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 35.

Adding to 30545225432 its reverse (23452254503), we get a palindrome (53997479935).

The spelling of 30545225432 in words is "thirty billion, five hundred forty-five million, two hundred twenty-five thousand, four hundred thirty-two".

Divisors: 1 2 4 8 157 314 401 628 802 1256 1604 3208 60647 62957 121294 125914 242588 251828 485176 503656 9521579 19043158 24319447 38086316 48638894 76172632 97277788 194555576 3818153179 7636306358 15272612716 30545225432