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30100120101 = 35123868807
BaseRepresentation
bin11100000010000110…
…110110001000100101
32212200201200112100000
4130002012312020211
5443121112320401
621454450011513
72113623541122
oct340206661045
985621615300
1030100120101
1111846807817
125a00576b99
132ab904b46c
14165786b749
15bb2804186
hex7021b6225

30100120101 has 12 divisors (see below), whose sum is σ = 45088246112. Its totient is φ = 20066746572.

The previous prime is 30100120073. The next prime is 30100120109. The reversal of 30100120101 is 10102100103.

It is not a de Polignac number, because 30100120101 - 233 = 21510185509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30100120109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61934161 + ... + 61934646.

Almost surely, 230100120101 is an apocalyptic number.

It is an amenable number.

30100120101 is a deficient number, since it is larger than the sum of its proper divisors (14988126011).

30100120101 is an equidigital number, since it uses as much as digits as its factorization.

30100120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123868822 (or 123868810 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 30100120101 its reverse (10102100103), we get a palindrome (40202220204).

The spelling of 30100120101 in words is "thirty billion, one hundred million, one hundred twenty thousand, one hundred one".

Divisors: 1 3 9 27 81 243 123868807 371606421 1114819263 3344457789 10033373367 30100120101