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30331402243430 = 254831627849353
BaseRepresentation
bin1101110010110000101000…
…11101001100110101100110
310222101122122120111000222012
412321120110131030311212
512433422202433242210
6144302015343234222
76250241265105641
oct671302435146546
9128348576430865
1030331402243430
119734525912652
12349a5192a8972
1313c0314cb8892
1476c094c70a58
15378ec924b305
hex1b961474cd66

30331402243430 has 16 divisors (see below), whose sum is σ = 54607825413504. Its totient is φ = 12130049480640.

The previous prime is 30331402243399. The next prime is 30331402243487. The reversal of 30331402243430 is 3434220413303.

It is a super-3 number, since 3×303314022434303 (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313876367 + ... + 313972986.

It is an arithmetic number, because the mean of its divisors is an integer number (3412989088344).

Almost surely, 230331402243430 is an apocalyptic number.

30331402243430 is a deficient number, since it is larger than the sum of its proper divisors (24276423170074).

30331402243430 is a wasteful number, since it uses less digits than its factorization.

30331402243430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627854191.

The product of its (nonzero) digits is 62208, while the sum is 32.

Adding to 30331402243430 its reverse (3434220413303), we get a palindrome (33765622656733).

The spelling of 30331402243430 in words is "thirty trillion, three hundred thirty-one billion, four hundred two million, two hundred forty-three thousand, four hundred thirty".

Divisors: 1 2 5 10 4831 9662 24155 48310 627849353 1255698706 3139246765 6278493530 3033140224343 6066280448686 15165701121715 30331402243430