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30215523324 = 223710917091931
BaseRepresentation
bin11100001000111111…
…000100101111111100
32212222202211121210110
4130020333010233330
5443340133221244
621514131310020
72116524465510
oct341077045774
985882747713
1030215523324
11118a5969988
125a3314b310
132b06c25cac
141668d0c140
15bbc9ec9b9
hex708fc4bfc

30215523324 has 96 divisors (see below), whose sum is σ = 81403660800. Its totient is φ = 8544372480.

The previous prime is 30215523311. The next prime is 30215523337. The reversal of 30215523324 is 42332551203.

It is an interprime number because it is at equal distance from previous prime (30215523311) and next prime (30215523337).

It is a junction number, because it is equal to n+sod(n) for n = 30215523291 and 30215523300.

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, 15646639 + ... + 15648569.

It is an arithmetic number, because the mean of its divisors is an integer number (847954800).

Almost surely, 230215523324 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 30215523324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40701830400).

30215523324 is an abundant number, since it is smaller than the sum of its proper divisors (51188137476).

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

30215523324 is a wasteful number, since it uses less digits than its factorization.

30215523324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3763 (or 3761 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

The spelling of 30215523324 in words is "thirty billion, two hundred fifteen million, five hundred twenty-three thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 109 218 327 436 654 763 1308 1526 1709 1931 2289 3052 3418 3862 4578 5127 5793 6836 7724 9156 10254 11586 11963 13517 20508 23172 23926 27034 35889 40551 47852 54068 71778 81102 143556 162204 186281 210479 372562 420958 558843 631437 745124 841916 1117686 1262874 1303967 1473353 2235372 2525748 2607934 2946706 3300079 3911901 4420059 5215868 5893412 6600158 7823802 8840118 9900237 13200316 15647604 17680236 19800474 23100553 39600948 46201106 69301659 92402212 138603318 277206636 359708611 719417222 1079125833 1438834444 2158251666 2517960277 4316503332 5035920554 7553880831 10071841108 15107761662 30215523324