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120302112030 = 23523397439171
BaseRepresentation
bin111000000001010010…
…0001000110100011110
3102111112001122111021220
41300002210020310132
53432334320041110
6131133243434210
711456125036332
oct1600244106436
9374461574256
10120302112030
1147024451391
121b394b25966
13b462974599
145b735097c2
1531e1780370
hex1c02908d1e

120302112030 has 64 divisors (see below), whose sum is σ = 302037907968. Its totient is φ = 30608392320.

The previous prime is 120302112019. The next prime is 120302112101. The reversal of 120302112030 is 30211203021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54345 + ... + 493515.

It is an arithmetic number, because the mean of its divisors is an integer number (4719342312).

Almost surely, 2120302112030 is an apocalyptic number.

120302112030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 120302112030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151018953984).

120302112030 is an abundant number, since it is smaller than the sum of its proper divisors (181735795938).

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

120302112030 is a wasteful number, since it uses less digits than its factorization.

120302112030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439601.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 120302112030 its reverse (30211203021), we get a palindrome (150513315051).

Subtracting from 120302112030 its reverse (30211203021), we obtain a palindrome (90090909009).

The spelling of 120302112030 in words is "one hundred twenty billion, three hundred two million, one hundred twelve thousand, thirty".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 115 138 230 345 397 690 794 1191 1985 2382 3970 5955 9131 11910 18262 27393 45655 54786 91310 136965 273930 439171 878342 1317513 2195855 2635026 4391710 6587565 10100933 13175130 20201866 30302799 50504665 60605598 101009330 151513995 174350887 303027990 348701774 523052661 871754435 1046105322 1743508870 2615263305 4010070401 5230526610 8020140802 12030211203 20050352005 24060422406 40100704010 60151056015 120302112030