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10542020253 = 34493782107
BaseRepresentation
bin10011101000101101…
…00111011010011101
31000012200200010010120
421310112213122131
5133042224122003
64502024025153
7522145456632
oct116426473235
930180603116
1010542020253
11451a771936
1220626021b9
13cc009580b
14720136189
1541a776853
hex2745a769d

10542020253 has 8 divisors (see below), whose sum is σ = 14059173408. Its totient is φ = 7026440304.

The previous prime is 10542020227. The next prime is 10542020257. The reversal of 10542020253 is 35202024501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10542020253 - 26 = 10542020189 is a prime.

It is a super-2 number, since 2×105420202532 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10542020257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377575 + ... + 404532.

It is an arithmetic number, because the mean of its divisors is an integer number (1757396676).

Almost surely, 210542020253 is an apocalyptic number.

It is an amenable number.

10542020253 is a deficient number, since it is larger than the sum of its proper divisors (3517153155).

10542020253 is an equidigital number, since it uses as much as digits as its factorization.

10542020253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786603.

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 10542020253 its reverse (35202024501), we get a palindrome (45744044754).

The spelling of 10542020253 in words is "ten billion, five hundred forty-two million, twenty thousand, two hundred fifty-three".

Divisors: 1 3 4493 13479 782107 2346321 3514006751 10542020253