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2131503000451 = 1118123319012417
BaseRepresentation
bin11111000001000111011…
…110101010101110000011
321112202210002221102121021
4133001013132222232003
5234410304232003301
64311110550410311
7306665426364646
oct37010736525603
97482702842537
102131503000451
11751a6896a450
122a5124060997
13125ccc93ba86
14752457dda5d
153a6a2c7e8a1
hex1f0477aab83

2131503000451 has 32 divisors (see below), whose sum is σ = 2350364942016. Its totient is φ = 1916951040000.

The previous prime is 2131503000449. The next prime is 2131503000457. The reversal of 2131503000451 is 1540003051312.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2131503000451 - 21 = 2131503000449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2131503000457) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 881878395 + ... + 881880811.

It is an arithmetic number, because the mean of its divisors is an integer number (73448904438).

Almost surely, 22131503000451 is an apocalyptic number.

2131503000451 is a deficient number, since it is larger than the sum of its proper divisors (218861941565).

2131503000451 is a wasteful number, since it uses less digits than its factorization.

2131503000451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4743.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 2131503000451 its reverse (1540003051312), we get a palindrome (3671506051763).

The spelling of 2131503000451 in words is "two trillion, one hundred thirty-one billion, five hundred three million, four hundred fifty-one", and thus it is an aban number.

Divisors: 1 11 181 233 1901 1991 2417 2563 20911 26587 42173 344081 437477 442933 463903 563161 3784891 4594717 4812247 4872263 6194771 50541887 80170873 101932141 831643777 881879603 1070569061 1121253551 9148081547 11776259671 193773000041 2131503000451