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30515225323146 = 23291493893025739
BaseRepresentation
bin1101111000000111000010…
…01010100110011010001010
311000001020010112001000122220
412330003201022212122022
512444430140140320041
6144522300113554510
76266436505362024
oct674034112463212
9130036115030586
1030515225323146
1197a548618a143
12350a07b275a36
13140475b9b8675
14776d326c9014
1537db873cdd66
hex1bc0e12a668a

30515225323146 has 64 divisors (see below), whose sum is σ = 63722084400000. Its totient is φ = 9729998819072.

The previous prime is 30515225323127. The next prime is 30515225323189. The reversal of 30515225323146 is 64132352251503.

It is a junction number, because it is equal to n+sod(n) for n = 30515225323098 and 30515225323107.

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, 8572345 + ... + 11598083.

It is an arithmetic number, because the mean of its divisors is an integer number (995657568750).

Almost surely, 230515225323146 is an apocalyptic number.

30515225323146 is an abundant number, since it is smaller than the sum of its proper divisors (33206859076854).

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

30515225323146 is a wasteful number, since it uses less digits than its factorization.

30515225323146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3026311.

The product of its (nonzero) digits is 648000, while the sum is 42.

Adding to 30515225323146 its reverse (64132352251503), we get a palindrome (94647577574649).

The spelling of 30515225323146 in words is "thirty trillion, five hundred fifteen billion, two hundred twenty-five million, three hundred twenty-three thousand, one hundred forty-six".

Divisors: 1 2 3 6 29 58 87 149 174 298 389 447 778 894 1167 2334 4321 8642 11281 12963 22562 25926 33843 57961 67686 115922 173883 347766 1680869 3025739 3361738 5042607 6051478 9077217 10085214 18154434 87746431 175492862 263239293 450835111 526478586 901670222 1177012471 1352505333 2354024942 2705010666 3531037413 7062074826 13074218219 26148436438 34133361659 39222654657 68266723318 78445309314 102400084977 175374858179 204800169954 350749716358 526124574537 1052249149074 5085870887191 10171741774382 15257612661573 30515225323146