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1306056030253 = 131716231364103
BaseRepresentation
bin10011000000010111000…
…000010111100000101101
311121212011021211122221221
4103000113000113200231
5132344300320432003
62435554401223341
7163234200041302
oct23002700274055
94555137748857
101306056030253
11463993642377
12191157631b51
13962119802b0
14472db9c10a9
1523e909297bd
hex1301701782d

1306056030253 has 16 divisors (see below), whose sum is σ = 1489354304256. Its totient is φ = 1134600088320.

The previous prime is 1306056030247. The next prime is 1306056030283. The reversal of 1306056030253 is 3520306506031.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1306056030253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306056030203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3405000 + ... + 3769102.

It is an arithmetic number, because the mean of its divisors is an integer number (93084644016).

Almost surely, 21306056030253 is an apocalyptic number.

1306056030253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1306056030253 is a deficient number, since it is larger than the sum of its proper divisors (183298274003).

1306056030253 is a wasteful number, since it uses less digits than its factorization.

1306056030253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380364.

The product of its (nonzero) digits is 48600, while the sum is 34.

The spelling of 1306056030253 in words is "one trillion, three hundred six billion, fifty-six million, thirty thousand, two hundred fifty-three".

Divisors: 1 13 17 221 16231 211003 275927 364103 3587051 4733339 6189751 80466763 5909755793 76826825309 100465848481 1306056030253