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30231303032 = 23725310114407
BaseRepresentation
bin11100001001111011…
…010001001101111000
32220000212112022111002
4130021323101031320
5443403203144112
621515453424132
72120105556500
oct341173211570
986025468432
1030231303032
1111903867467
125a3849b048
132b0a28c4b8
14166b058a00
15bbe0b81c2
hex709ed1378

30231303032 has 96 divisors (see below), whose sum is σ = 67852170720. Its totient is φ = 12585081600.

The previous prime is 30231303029. The next prime is 30231303041. The reversal of 30231303032 is 23030313203.

It is a super-2 number, since 2×302313030322 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30231302995 and 30231303013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2091173 + ... + 2105579.

It is an arithmetic number, because the mean of its divisors is an integer number (706793445).

Almost surely, 230231303032 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 30231303032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33926085360).

30231303032 is an abundant number, since it is smaller than the sum of its proper divisors (37620867688).

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

30231303032 is a wasteful number, since it uses less digits than its factorization.

30231303032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14581 (or 14570 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 30231303032 its reverse (23030313203), we get a palindrome (53261616235).

The spelling of 30231303032 in words is "thirty billion, two hundred thirty-one million, three hundred three thousand, thirty-two".

Divisors: 1 2 4 7 8 14 28 49 53 56 98 101 106 196 202 212 371 392 404 424 707 742 808 1414 1484 2597 2828 2968 4949 5194 5353 5656 9898 10388 10706 14407 19796 20776 21412 28814 37471 39592 42824 57628 74942 100849 115256 149884 201698 262297 299768 403396 524594 705943 763571 806792 1049188 1411886 1455107 1527142 2098376 2823772 2910214 3054284 5344997 5647544 5820428 6108568 10185749 10689994 11640856 20371498 21379988 37414979 40742996 42759976 71300243 74829958 77120671 81485992 142600486 149659916 154241342 285200972 299319832 308482684 539844697 570401944 616965368 1079689394 2159378788 3778912879 4318757576 7557825758 15115651516 30231303032