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30821451195146 = 220877384152179
BaseRepresentation
bin1110000001000001011011…
…01001100110001100001010
311001010111112221001010012212
413000200231221212030022
513014434313001221041
6145315102413105122
76330530202343613
oct700405551461412
9131114487033185
1030821451195146
1199033387601a7
1235594a17881a2
1314275b16283b1
14787aa2634c0a
15386b0b4408eb
hex1c082da6630a

30821451195146 has 8 divisors (see below), whose sum is σ = 46254329255520. Its totient is φ = 15403341443308.

The previous prime is 30821451195127. The next prime is 30821451195167. The reversal of 30821451195146 is 64159115412803.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×308214511951462 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30821451195094 and 30821451195103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3692071916 + ... + 3692080263.

It is an arithmetic number, because the mean of its divisors is an integer number (5781791156940).

Almost surely, 230821451195146 is an apocalyptic number.

30821451195146 is a deficient number, since it is larger than the sum of its proper divisors (15432878060374).

30821451195146 is a wasteful number, since it uses less digits than its factorization.

30821451195146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7384154268.

The product of its (nonzero) digits is 1036800, while the sum is 50.

The spelling of 30821451195146 in words is "thirty trillion, eight hundred twenty-one billion, four hundred fifty-one million, one hundred ninety-five thousand, one hundred forty-six".

Divisors: 1 2 2087 4174 7384152179 14768304358 15410725597573 30821451195146