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30012011431061 = 112728364675551
BaseRepresentation
bin1101101001011101101110…
…10001111100010010010101
310221021010020200022200022012
412310232313101330102111
512413204044411243221
6143455154441514005
76215203423022522
oct664566721742225
9127233220280265
1030012011431061
11962102804aa90
123448641aa2905
131399174a76aca
1475a836702149
15370a3455665b
hex1b4bb747c495

30012011431061 has 4 divisors (see below), whose sum is σ = 32740376106624. Its totient is φ = 27283646755500.

The previous prime is 30012011431049. The next prime is 30012011431079. The reversal of 30012011431061 is 16013411021003.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30012011431061 is a prime.

It is a super-2 number, since 2×300120114310612 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30012011431081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1364182337765 + ... + 1364182337786.

It is an arithmetic number, because the mean of its divisors is an integer number (8185094026656).

Almost surely, 230012011431061 is an apocalyptic number.

It is an amenable number.

30012011431061 is a deficient number, since it is larger than the sum of its proper divisors (2728364675563).

30012011431061 is a wasteful number, since it uses less digits than its factorization.

30012011431061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2728364675562.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 30012011431061 its reverse (16013411021003), we get a palindrome (46025422452064).

The spelling of 30012011431061 in words is "thirty trillion, twelve billion, eleven million, four hundred thirty-one thousand, sixty-one".

Divisors: 1 11 2728364675551 30012011431061