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30102103231200 = 2532527111337157719
BaseRepresentation
bin1101101100000101100010…
…01010111000101011100000
310221120201210022221022112200
412312002301022320223200
512421143101411344300
6144004414301453200
76224543115500130
oct666026112705340
9127521708838480
1030102103231200
119656259571960
123461ba5571200
1313a48018cb4a0
14760d41898ac0
153730589b8200
hex1b60b12b8ae0

30102103231200 has 3456 divisors, whose sum is σ = 147508838830080. Its totient is φ = 5574234931200.

The previous prime is 30102103231171. The next prime is 30102103231241. The reversal of 30102103231200 is 213230120103.

30102103231200 is a `hidden beast` number, since 3 + 0 + 10 + 210 + 323 + 120 + 0 = 666.

It is a super-2 number, since 2×301021032312002 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 575 ways as a sum of consecutive naturals, for example, 41866624441 + ... + 41866625159.

It is an arithmetic number, because the mean of its divisors is an integer number (42681955680).

Almost surely, 230102103231200 is an apocalyptic number.

30102103231200 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 30102103231200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73754419415040).

30102103231200 is an abundant number, since it is smaller than the sum of its proper divisors (117406735598880).

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

30102103231200 is a wasteful number, since it uses less digits than its factorization.

30102103231200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970 (or 954 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 30102103231200 its reverse (213230120103), we get a palindrome (30315333351303).

It can be divided in two parts, 30102103 and 231200, that added together give a palindrome (30333303).

The spelling of 30102103231200 in words is "thirty trillion, one hundred two billion, one hundred three million, two hundred thirty-one thousand, two hundred".