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13305315450 = 2352721810247
BaseRepresentation
bin11000110010000111…
…10000000001111010
31021100021022001112010
430121003300001322
5204222130043300
610040135030350
7650501213100
oct143103600172
937307261463
1013305315450
11570855a479
1226b3b0b3b6
13134071102b
14903123c70
1552d160a50
hex3190f007a

13305315450 has 72 divisors (see below), whose sum is σ = 38384498592. Its totient is φ = 3041213280.

The previous prime is 13305315389. The next prime is 13305315473. The reversal of 13305315450 is 5451350331.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 897774 + ... + 912473.

It is an arithmetic number, because the mean of its divisors is an integer number (533118036).

Almost surely, 213305315450 is an apocalyptic number.

13305315450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13305315450 is an abundant number, since it is smaller than the sum of its proper divisors (25079183142).

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

13305315450 is a wasteful number, since it uses less digits than its factorization.

13305315450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810276 (or 1810264 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 30.

Adding to 13305315450 its reverse (5451350331), we get a palindrome (18756665781).

The spelling of 13305315450 in words is "thirteen billion, three hundred five million, three hundred fifteen thousand, four hundred fifty".

Divisors: 1 2 3 5 6 7 10 14 15 21 25 30 35 42 49 50 70 75 98 105 147 150 175 210 245 294 350 490 525 735 1050 1225 1470 2450 3675 7350 1810247 3620494 5430741 9051235 10861482 12671729 18102470 25343458 27153705 38015187 45256175 54307410 63358645 76030374 88702103 90512350 126717290 135768525 177404206 190075935 266106309 271537050 316793225 380151870 443510515 532212618 633586450 887021030 950379675 1330531545 1900759350 2217552575 2661063090 4435105150 6652657725 13305315450