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30102120133 = 177142159239
BaseRepresentation
bin11100000010001110…
…011110011011000101
32212200212110010212021
4130002032132123011
5443122120321013
621455000523141
72113646541121
oct340216363305
985625403767
1030102120133
1111847953438
125a011804b1
132ab959b907
141657c2c581
15bb2a9ba8d
hex70239e6c5

30102120133 has 16 divisors (see below), whose sum is σ = 32399066880. Its totient is φ = 27865555200.

The previous prime is 30102120107. The next prime is 30102120161. The reversal of 30102120133 is 33102120103.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30102120133 is a prime.

It is a super-2 number, since 2×301021201332 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30102120163) 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 15 ways as a sum of consecutive naturals, for example, 478528 + ... + 537766.

It is an arithmetic number, because the mean of its divisors is an integer number (2024941680).

Almost surely, 230102120133 is an apocalyptic number.

It is an amenable number.

30102120133 is a deficient number, since it is larger than the sum of its proper divisors (2296946747).

30102120133 is a wasteful number, since it uses less digits than its factorization.

30102120133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59748.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 30102120133 its reverse (33102120103), we get a palindrome (63204240236).

The spelling of 30102120133 in words is "thirty billion, one hundred two million, one hundred twenty thousand, one hundred thirty-three".

Divisors: 1 17 71 421 1207 7157 29891 59239 508147 1007063 4205969 24939619 71501473 423973523 1770712949 30102120133