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30012212731282 = 253549280231309
BaseRepresentation
bin1101101001011110000110…
…10001110101110110010010
310221021010202201002210021221
412310233003101311312102
512413210002424400112
6143455230432235254
76215211416033605
oct664570321656622
9127233681083257
1030012212731282
119621120740901
12344869939bb2a
1313991a7697b72
1475a85534233c
15370a4706ae07
hex1b4bc3475d92

30012212731282 has 8 divisors (see below), whose sum is σ = 45019159951500. Its totient is φ = 15005826080784.

The previous prime is 30012212731229. The next prime is 30012212731309. The reversal of 30012212731282 is 28213721221003.

It can be written as a sum of positive squares in 2 ways, for example, as 23598813495321 + 6413399235961 = 4857861^2 + 2532469^2 .

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

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, 140008557 + ... + 140222752.

Almost surely, 230012212731282 is an apocalyptic number.

30012212731282 is a deficient number, since it is larger than the sum of its proper divisors (15006947220218).

30012212731282 is a wasteful number, since it uses less digits than its factorization.

30012212731282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280284860.

The product of its (nonzero) digits is 16128, while the sum is 34.

Adding to 30012212731282 its reverse (28213721221003), we get a palindrome (58225933952285).

The spelling of 30012212731282 in words is "thirty trillion, twelve billion, two hundred twelve million, seven hundred thirty-one thousand, two hundred eighty-two".

Divisors: 1 2 53549 107098 280231309 560462618 15006106365641 30012212731282