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53403532031 = 232321892697
BaseRepresentation
bin110001101111000110…
…010011101011111111
312002211210011111211202
4301233012103223333
51333332301011111
640311103010115
73600250350443
oct615706235377
9162753144752
1053403532031
11207149a1043
12a42489993b
135060c313c5
14282877a823
1515c8598b3b
hexc6f193aff

53403532031 has 4 divisors (see below), whose sum is σ = 55725424752. Its totient is φ = 51081639312.

The previous prime is 53403532019. The next prime is 53403532051. The reversal of 53403532031 is 13023530435.

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

It is a cyclic number.

It is not a de Polignac number, because 53403532031 - 226 = 53336423167 is a prime.

It is a super-2 number, since 2×534035320312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53403531985 and 53403532003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53403532051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1160946326 + ... + 1160946371.

It is an arithmetic number, because the mean of its divisors is an integer number (13931356188).

Almost surely, 253403532031 is an apocalyptic number.

53403532031 is a deficient number, since it is larger than the sum of its proper divisors (2321892721).

53403532031 is a wasteful number, since it uses less digits than its factorization.

53403532031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2321892720.

The product of its (nonzero) digits is 16200, while the sum is 29.

The spelling of 53403532031 in words is "fifty-three billion, four hundred three million, five hundred thirty-two thousand, thirty-one".

Divisors: 1 23 2321892697 53403532031