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30051322452 = 2232435326911
BaseRepresentation
bin11011111111001100…
…101100101001010100
32212120022212100112200
4123333030230221110
5443021114304302
621445544044500
72112462011664
oct337714545124
985508770480
1030051322452
1111821208388
1259a8163730
132aabbc4408
1416511a81a4
15bad3b581c
hex6ff32ca54

30051322452 has 108 divisors (see below), whose sum is σ = 79235380224. Its totient is φ = 9598155840.

The previous prime is 30051322439. The next prime is 30051322459. The reversal of 30051322452 is 25422315003.

It is a happy number.

It is a super-2 number, since 2×300513224522 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30051322459) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4344877 + ... + 4351787.

It is an arithmetic number, because the mean of its divisors is an integer number (733660928).

Almost surely, 230051322452 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 30051322452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39617690112).

30051322452 is an abundant number, since it is smaller than the sum of its proper divisors (49184057772).

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

30051322452 is a wasteful number, since it uses less digits than its factorization.

30051322452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7070 (or 7012 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 30051322452 its reverse (25422315003), we get a palindrome (55473637455).

The spelling of 30051322452 in words is "thirty billion, fifty-one million, three hundred twenty-two thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 43 53 86 106 129 159 172 212 258 318 387 477 516 636 774 954 1548 1908 2279 2809 4558 5618 6837 6911 8427 9116 11236 13674 13822 16854 20511 20733 25281 27348 27644 33708 41022 41466 50562 62199 82044 82932 101124 120787 124398 241574 248796 297173 362361 366283 483148 594346 724722 732566 891519 1087083 1098849 1188692 1449444 1465132 1783038 2174166 2197698 2674557 3296547 3566076 4348332 4395396 5349114 6593094 10698228 13186188 15750169 19412999 31500338 38825998 47250507 58238997 63000676 77651996 94501014 116477994 141751521 174716991 189002028 232955988 283503042 349433982 567006084 698867964 834758957 1669517914 2504276871 3339035828 5008553742 7512830613 10017107484 15025661226 30051322452