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7403806340053 = 24130721188133
BaseRepresentation
bin110101110111101010100…
…1111110011001111010101
3222012210111222211110022121
41223233111033303033111
51432300443410340203
623425132304455541
71362623136344434
oct153572517631725
928183458743277
107403806340053
1123a4a33731322
129b6aa791a5b1
13419239710a96
141b84bbb3b11b
15cc8cb3670bd
hex6bbd53f33d5

7403806340053 has 4 divisors (see below), whose sum is σ = 7434527528428. Its totient is φ = 7373085151680.

The previous prime is 7403806340003. The next prime is 7403806340083. The reversal of 7403806340053 is 3500436083047.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2014063357329 + 5389742982724 = 1419177^2 + 2321582^2 .

It is a cyclic number.

It is not a de Polignac number, because 7403806340053 - 213 = 7403806331861 is a prime.

It is a super-4 number, since 4×74038063400534 (a number of 53 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7403806339991 and 7403806340009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7403806340003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15360593826 + ... + 15360594307.

It is an arithmetic number, because the mean of its divisors is an integer number (1858631882107).

Almost surely, 27403806340053 is an apocalyptic number.

It is an amenable number.

7403806340053 is a deficient number, since it is larger than the sum of its proper divisors (30721188375).

7403806340053 is a wasteful number, since it uses less digits than its factorization.

7403806340053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30721188374.

The product of its (nonzero) digits is 725760, while the sum is 43.

The spelling of 7403806340053 in words is "seven trillion, four hundred three billion, eight hundred six million, three hundred forty thousand, fifty-three".

Divisors: 1 241 30721188133 7403806340053