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30220203132 = 223271011187341
BaseRepresentation
bin11100001001010000…
…111011010001111100
32220000002122101021200
4130021100323101330
5443342333000012
621514415455500
72116612326330
oct341120732174
986002571250
1030220203132
11118a8575999
125a34827590
132b07ba4102
1416697a97c0
15bbd1243dc
hex70943b47c

30220203132 has 72 divisors (see below), whose sum is σ = 88167267552. Its totient is φ = 8548848000.

The previous prime is 30220203131. The next prime is 30220203151. The reversal of 30220203132 is 23130202203.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30220203131) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 568219 + ... + 619122.

Almost surely, 230220203132 is an apocalyptic number.

It is an amenable number.

30220203132 is an abundant number, since it is smaller than the sum of its proper divisors (57947064420).

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

30220203132 is a wasteful number, since it uses less digits than its factorization.

30220203132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187459 (or 1187454 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 30220203132 its reverse (23130202203), we get a palindrome (53350405335).

The spelling of 30220203132 in words is "thirty billion, two hundred twenty million, two hundred three thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 101 126 202 252 303 404 606 707 909 1212 1414 1818 2121 2828 3636 4242 6363 8484 12726 25452 1187341 2374682 3562023 4749364 7124046 8311387 10686069 14248092 16622774 21372138 24934161 33245548 42744276 49868322 74802483 99736644 119921441 149604966 239842882 299209932 359764323 479685764 719528646 839450087 1079292969 1439057292 1678900174 2158585938 2518350261 3357800348 4317171876 5036700522 7555050783 10073401044 15110101566 30220203132