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7073000144281 = 41215726800093
BaseRepresentation
bin110011011101100111110…
…1010010011110110011001
3221001011122112121112111201
41212323033222103312121
51411341001014104111
623013142535554201
71330002352153201
oct146731752236631
927034575545451
107073000144281
1122877082091a5
1296296552b961
133c3c9a4a8086
141a6499491401
15c3eb93d16c1
hex66ecfa93d99

7073000144281 has 12 divisors (see below), whose sum is σ = 7295896789996. Its totient is φ = 6856535537280.

The previous prime is 7073000144279. The next prime is 7073000144321. The reversal of 7073000144281 is 1824410003707.

It can be written as a sum of positive squares in 6 ways, for example, as 4870447334281 + 2202552810000 = 2206909^2 + 1484100^2 .

It is not a de Polignac number, because 7073000144281 - 21 = 7073000144279 is a prime.

It is a super-2 number, since 2×70730001442812 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7073000144281.

It is not an unprimeable number, because it can be changed into a prime (7073000144381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13136130 + ... + 13663963.

Almost surely, 27073000144281 is an apocalyptic number.

It is an amenable number.

7073000144281 is a deficient number, since it is larger than the sum of its proper divisors (222896645715).

7073000144281 is a wasteful number, since it uses less digits than its factorization.

7073000144281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26800332 (or 26800291 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 37.

Adding to 7073000144281 its reverse (1824410003707), we get a palindrome (8897410147988).

The spelling of 7073000144281 in words is "seven trillion, seventy-three billion, one hundred forty-four thousand, two hundred eighty-one".

Divisors: 1 41 157 1681 6437 263917 26800093 1098803813 4207614601 45050956333 172512198641 7073000144281