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1020015030135 = 351032637013581
BaseRepresentation
bin11101101011111011010…
…00100010111101110111
310121111211121020022012110
432311331220202331313
5113202442321431020
62100331034022103
7133456631462403
oct16657550427567
93544747208173
101020015030135
11363649990312
12145828b77933
1375257b0673a
1437524722103
151b7ed9a08e0
hexed7da22f77

1020015030135 has 64 divisors (see below), whose sum is σ = 1656956860416. Its totient is φ = 535762752000.

The previous prime is 1020015030127. The next prime is 1020015030137. The reversal of 1020015030135 is 5310305100201.

It is not a de Polignac number, because 1020015030135 - 23 = 1020015030127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020015030137) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 284839045 + ... + 284842625.

It is an arithmetic number, because the mean of its divisors is an integer number (25889950944).

Almost surely, 21020015030135 is an apocalyptic number.

1020015030135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1020015030135 is a deficient number, since it is larger than the sum of its proper divisors (636941830281).

1020015030135 is a wasteful number, since it uses less digits than its factorization.

1020015030135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4656.

The product of its (nonzero) digits is 450, while the sum is 21.

The spelling of 1020015030135 in words is "one trillion, twenty billion, fifteen million, thirty thousand, one hundred thirty-five".

Divisors: 1 3 5 15 103 263 309 515 701 789 1315 1545 2103 3505 3581 3945 10515 10743 17905 27089 53715 72203 81267 135445 184363 216609 361015 368843 406335 553089 921815 941803 1083045 1106529 1844215 2510281 2765445 2825409 4709015 5532645 7530843 12551405 14127045 18989389 37654215 56968167 94946945 97005709 258558943 284840835 291017127 485028545 660203903 775676829 1292794715 1455085635 1980611709 3301019515 3878384145 9903058545 68001002009 204003006027 340005010045 1020015030135