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30143015731586 = 2107443317957593
BaseRepresentation
bin1101101101010001101111…
…01111101100000110000010
310221201122101121000200020202
412312220313233230012002
512422330344011402321
6144035302114405202
76230522013141662
oct666506757540602
9127648347020222
1030143015731586
11967164360aa4a
123469b02b90802
1313a8621a330b4
14762d033181a2
1537415064a70b
hex1b6a37bec182

30143015731586 has 16 divisors (see below), whose sum is σ = 45740107642464. Its totient is φ = 14896949100384.

The previous prime is 30143015731583. The next prime is 30143015731607. The reversal of 30143015731586 is 68513751034103.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30143015731586.

It is not an unprimeable number, because it can be changed into a prime (30143015731583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158883995 + ... + 159073598.

It is an arithmetic number, because the mean of its divisors is an integer number (2858756727654).

Almost surely, 230143015731586 is an apocalyptic number.

30143015731586 is a deficient number, since it is larger than the sum of its proper divisors (15597091910878).

30143015731586 is a wasteful number, since it uses less digits than its factorization.

30143015731586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317958145.

The product of its (nonzero) digits is 907200, while the sum is 47.

Adding to 30143015731586 its reverse (68513751034103), we get a palindrome (98656766765689).

The spelling of 30143015731586 in words is "thirty trillion, one hundred forty-three billion, fifteen million, seven hundred thirty-one thousand, five hundred eighty-six".

Divisors: 1 2 107 214 443 886 47401 94802 317957593 635915186 34021462451 68042924902 140855213699 281710427398 15071507865793 30143015731586