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10402144342 = 213139702841
BaseRepresentation
bin10011011000000010…
…00010000001010110
3222211221110200110021
421230001002001112
5132300422104332
64440110015354
7515526524302
oct115401020126
928757420407
1010402144342
114458815007
1220237a755a
13c9a0ccac5
14709724d02
1540d346c97
hex26c042056

10402144342 has 8 divisors (see below), whose sum is σ = 15722325432. Its totient is φ = 5161369200.

The previous prime is 10402144303. The next prime is 10402144349. The reversal of 10402144342 is 24344120401.

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

It is a super-2 number, since 2×104021443422 (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 (10402144349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19851159 + ... + 19851682.

It is an arithmetic number, because the mean of its divisors is an integer number (1965290679).

Almost surely, 210402144342 is an apocalyptic number.

10402144342 is a deficient number, since it is larger than the sum of its proper divisors (5320181090).

10402144342 is a wasteful number, since it uses less digits than its factorization.

10402144342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39702974.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 10402144342 its reverse (24344120401), we get a palindrome (34746264743).

The spelling of 10402144342 in words is "ten billion, four hundred two million, one hundred forty-four thousand, three hundred forty-two".

Divisors: 1 2 131 262 39702841 79405682 5201072171 10402144342