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30230100120 = 23351131223831
BaseRepresentation
bin11100001001110110…
…101011100010011000
32220000210021012101210
4130021312223202120
5443402401200440
621515411543120
72120062416453
oct341166534230
986023235353
1030230100120
1111903115720
125a37bbaaa0
132b09c5ab0c
14166ac2449a
15bbde2ba80
hex709dab898

30230100120 has 192 divisors, whose sum is σ = 102233560320. Its totient is φ = 7091808000.

The previous prime is 30230100107. The next prime is 30230100143. The reversal of 30230100120 is 2100103203.

Adding to 30230100120 its reverse (2100103203), we get a palindrome (32330203323).

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 30230100096 and 30230100105.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 1256605 + ... + 1280435.

It is an arithmetic number, because the mean of its divisors is an integer number (532466460).

Almost surely, 230230100120 is an apocalyptic number.

30230100120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30230100120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51116780160).

30230100120 is an abundant number, since it is smaller than the sum of its proper divisors (72003460200).

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

30230100120 is a wasteful number, since it uses less digits than its factorization.

30230100120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23918 (or 23883 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The spelling of 30230100120 in words is "thirty billion, two hundred thirty million, one hundred thousand, one hundred twenty".