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30231224122 = 2117431849457
BaseRepresentation
bin11100001001111010…
…111101111100111010
32220000212101022020111
4130021322331330322
5443403143132442
621515452014534
72120105110441
oct341172757472
986025338214
1030231224122
1111903813150
125a3846144a
132b0a2625c8
14166b037d58
15bbe09eb17
hex709ebdf3a

30231224122 has 16 divisors (see below), whose sum is σ = 49535883072. Its totient is φ = 13722963520.

The previous prime is 30231224113. The next prime is 30231224137. The reversal of 30231224122 is 22142213203.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 30231224093 and 30231224102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 908383 + ... + 941074.

It is an arithmetic number, because the mean of its divisors is an integer number (3095992692).

Almost surely, 230231224122 is an apocalyptic number.

30231224122 is a deficient number, since it is larger than the sum of its proper divisors (19304658950).

30231224122 is a wasteful number, since it uses less digits than its factorization.

30231224122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850213.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 30231224122 its reverse (22142213203), we get a palindrome (52373437325).

The spelling of 30231224122 in words is "thirty billion, two hundred thirty-one million, two hundred twenty-four thousand, one hundred twenty-two".

Divisors: 1 2 11 22 743 1486 8173 16346 1849457 3698914 20344027 40688054 1374146551 2748293102 15115612061 30231224122