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30133431342 = 23271132116409
BaseRepresentation
bin11100000100000101…
…111010110000101110
32212210001100220202200
4130010011322300232
5443203124300332
621502040002330
72114506640340
oct340405726056
985701326680
1030133431342
1111863599a73
125a0b7603a6
132ac2c12661
14165c05d290
15bb56d417c
hex70417ac2e

30133431342 has 48 divisors (see below), whose sum is σ = 75276470880. Its totient is φ = 8533357056.

The previous prime is 30133431329. The next prime is 30133431371. The reversal of 30133431342 is 24313433103.

30133431342 is a `hidden beast` number, since 301 + 3 + 3 + 4 + 313 + 42 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1043967 + ... + 1072442.

It is an arithmetic number, because the mean of its divisors is an integer number (1568259810).

Almost surely, 230133431342 is an apocalyptic number.

30133431342 is an abundant number, since it is smaller than the sum of its proper divisors (45143039538).

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

30133431342 is a wasteful number, since it uses less digits than its factorization.

30133431342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2116537 (or 2116534 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 30133431342 its reverse (24313433103), we get a palindrome (54446864445).

The spelling of 30133431342 in words is "thirty billion, one hundred thirty-three million, four hundred thirty-one thousand, three hundred forty-two".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 113 126 226 339 678 791 1017 1582 2034 2373 4746 7119 14238 2116409 4232818 6349227 12698454 14814863 19047681 29629726 38095362 44444589 88889178 133333767 239154217 266667534 478308434 717462651 1434925302 1674079519 2152387953 3348159038 4304775906 5022238557 10044477114 15066715671 30133431342