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30316233215140 = 22531471571662231
BaseRepresentation
bin1101110010010100011000…
…10011111100110010100100
310222100012111102021120001121
412321022030103330302210
512433200121200341030
6144251030230303324
76246163343355445
oct671121423746244
9128305442246047
1030316233215140
119729051342134
1234975a51b7b44
1313bba6843a8b2
1476b45640b2cc
153788dc69947a
hex1b928c4fcca4

30316233215140 has 96 divisors (see below), whose sum is σ = 67158843752448. Its totient is φ = 11478300144000.

The previous prime is 30316233215117. The next prime is 30316233215159. The reversal of 30316233215140 is 4151233261303.

It is a junction number, because it is equal to n+sod(n) for n = 30316233215096 and 30316233215105.

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, 45447825 + ... + 46110055.

It is an arithmetic number, because the mean of its divisors is an integer number (699571289088).

Almost surely, 230316233215140 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 30316233215140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33579421876224).

30316233215140 is an abundant number, since it is smaller than the sum of its proper divisors (36842610537308).

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

30316233215140 is a wasteful number, since it uses less digits than its factorization.

30316233215140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663889 (or 663887 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 34.

Adding to 30316233215140 its reverse (4151233261303), we get a palindrome (34467466476443).

The spelling of 30316233215140 in words is "thirty trillion, three hundred sixteen billion, two hundred thirty-three million, two hundred fifteen thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 31 47 62 94 124 155 188 235 310 470 620 940 1457 1571 2914 3142 5828 6284 7285 7855 14570 15710 29140 31420 48701 73837 97402 147674 194804 243505 295348 369185 487010 662231 738370 974020 1324462 1476740 2288947 2648924 3311155 4577894 6622310 9155788 11444735 13244620 20529161 22889470 31124857 41058322 45778940 62249714 82116644 102645805 124499428 155624285 205291610 311248570 410583220 622497140 964870567 1040364901 1929741134 2080729802 3859482268 4161459604 4824352835 5201824505 9648705670 10403649010 19297411340 20807298020 32251311931 48897150347 64502623862 97794300694 129005247724 161256559655 195588601388 244485751735 322513119310 488971503470 645026238620 977943006940 1515811660757 3031623321514 6063246643028 7579058303785 15158116607570 30316233215140