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30525316052 = 227111011994931
BaseRepresentation
bin11100011011011100…
…110101101111010100
32220210100202201112012
4130123130311233110
51000003440103202
622004555243352
72130305622350
oct343334655724
986710681465
1030525316052
1111a44821830
125abaa49558
132b561721ba
141698110460
15bd9ce3152
hex71b735bd4

30525316052 has 96 divisors (see below), whose sum is σ = 67611801600. Its totient is φ = 11713680000.

The previous prime is 30525316043. The next prime is 30525316067. The reversal of 30525316052 is 25061352503.

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, 6188027 + ... + 6192957.

It is an arithmetic number, because the mean of its divisors is an integer number (704289600).

Almost surely, 230525316052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30525316052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33805900800).

30525316052 is an abundant number, since it is smaller than the sum of its proper divisors (37086485548).

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

30525316052 is a wasteful number, since it uses less digits than its factorization.

30525316052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5253 (or 5251 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 32.

Adding to 30525316052 its reverse (25061352503), we get a palindrome (55586668555).

The spelling of 30525316052 in words is "thirty billion, five hundred twenty-five million, three hundred sixteen thousand, fifty-two".

Divisors: 1 2 4 7 11 14 22 28 44 77 101 154 199 202 308 398 404 707 796 1111 1393 1414 2189 2222 2786 2828 4378 4444 4931 5572 7777 8756 9862 15323 15554 19724 20099 30646 31108 34517 40198 54241 61292 69034 80396 108482 138068 140693 216964 221089 281386 379687 442178 498031 562772 759374 884356 981269 996062 1518748 1547623 1962538 1992124 3095246 3486217 3925076 5478341 6190492 6868883 6972434 10793959 10956682 13737766 13944868 21587918 21913364 27475532 38348387 43175836 75557713 76696774 99108169 151115426 153393548 198216338 302230852 396432676 693757183 1090189859 1387514366 2180379718 2775028732 4360759436 7631329013 15262658026 30525316052