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30111042011240 = 235752776050281
BaseRepresentation
bin1101101100010110001011…
…11101101000000001101000
310221121120212021211101120002
412312023011331220001220
512421314403223324430
6144012453254522132
76225310456043261
oct666130575500150
9127546767741502
1030111042011240
11965a026249683
12346387b066348
1313a55c7795448
1476154cad5968
153733cd600845
hex1b62c5f68068

30111042011240 has 16 divisors (see below), whose sum is σ = 67749844525380. Its totient is φ = 12044416804480.

The previous prime is 30111042011233. The next prime is 30111042011359. The reversal of 30111042011240 is 4211024011103.

It can be written as a sum of positive squares in 2 ways, for example, as 28663452838276 + 1447589172964 = 5353826^2 + 1203158^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 376388025101 + ... + 376388025180.

Almost surely, 230111042011240 is an apocalyptic number.

It is an amenable number.

30111042011240 is an abundant number, since it is smaller than the sum of its proper divisors (37638802514140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30111042011240 is a wasteful number, since it uses less digits than its factorization.

30111042011240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752776050292 (or 752776050288 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 30111042011240 its reverse (4211024011103), we get a palindrome (34322066022343).

The spelling of 30111042011240 in words is "thirty trillion, one hundred eleven billion, forty-two million, eleven thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 752776050281 1505552100562 3011104201124 3763880251405 6022208402248 7527760502810 15055521005620 30111042011240