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30523045455 = 335724614217
BaseRepresentation
bin11100011011010100…
…001011011001001111
32220210012111100212000
4130123110023121033
51000002344423310
622004434443343
72130250414500
oct343324133117
986705440760
1030523045455
1111a43510901
125aba133553
132b55858856
141697abcba7
15bd99e54c0
hex71b50b64f

30523045455 has 48 divisors (see below), whose sum is σ = 63122502240. Its totient is φ = 13953389184.

The previous prime is 30523045451. The next prime is 30523045477. The reversal of 30523045455 is 55454032503.

30523045455 is a `hidden beast` number, since 30 + 52 + 30 + 4 + 545 + 5 = 666.

It is not a de Polignac number, because 30523045455 - 22 = 30523045451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30523045451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2300494 + ... + 2313723.

It is an arithmetic number, because the mean of its divisors is an integer number (1315052130).

Almost surely, 230523045455 is an apocalyptic number.

30523045455 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

30523045455 is an abundant number, since it is smaller than the sum of its proper divisors (32599456785).

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

30523045455 is a wasteful number, since it uses less digits than its factorization.

30523045455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4614245 (or 4614232 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 36.

Adding to 30523045455 its reverse (55454032503), we get a palindrome (85977077958).

The spelling of 30523045455 in words is "thirty billion, five hundred twenty-three million, forty-five thousand, four hundred fifty-five".

Divisors: 1 3 5 7 9 15 21 27 35 45 49 63 105 135 147 189 245 315 441 735 945 1323 2205 6615 4614217 13842651 23071085 32299519 41527953 69213255 96898557 124583859 161497595 207639765 226096633 290695671 484492785 622919295 678289899 872087013 1130483165 1453478355 2034869697 3391449495 4360435065 6104609091 10174348485 30523045455