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30302131031210 = 2517317515682677
BaseRepresentation
bin1101110001111010000111…
…10000011000110010101010
310222021212002121112101111002
412320331003300120302222
512432432231020444320
6144240335023435002
76245154024650543
oct670750360306252
9128255077471432
1030302131031210
119723074aa0675
12349490a455a62
1313ba62b90216c
1476a8b95354ca
153783645ce675
hex1b8f43c18caa

30302131031210 has 16 divisors (see below), whose sum is σ = 54859118147496. Its totient is φ = 12050789681088.

The previous prime is 30302131031177. The next prime is 30302131031231. The reversal of 30302131031210 is 1213013120303.

It can be written as a sum of positive squares in 4 ways, for example, as 28454959193761 + 1847171837449 = 5334319^2 + 1359107^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8757839609 + ... + 8757843068.

Almost surely, 230302131031210 is an apocalyptic number.

30302131031210 is a deficient number, since it is larger than the sum of its proper divisors (24556987116286).

30302131031210 is a wasteful number, since it uses less digits than its factorization.

30302131031210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17515682857.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 30302131031210 its reverse (1213013120303), we get a palindrome (31515144151513).

The spelling of 30302131031210 in words is "thirty trillion, three hundred two billion, one hundred thirty-one million, thirty-one thousand, two hundred ten".

Divisors: 1 2 5 10 173 346 865 1730 17515682677 35031365354 87578413385 175156826770 3030213103121 6060426206242 15151065515605 30302131031210