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63101142 = 23213269663
BaseRepresentation
bin1111000010110…
…1100011010110
311101201212111100
43300231203112
5112123214032
610132250530
71364231226
oct360554326
9141655440
1063101142
1132689905
1219170a46
13100c4670
148548086
15581697c
hex3c2d8d6

63101142 has 24 divisors (see below), whose sum is σ = 147236544. Its totient is φ = 19415664.

The previous prime is 63101141. The next prime is 63101177. The reversal of 63101142 is 24110136.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63101141) 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, 134598 + ... + 135065.

It is an arithmetic number, because the mean of its divisors is an integer number (6134856).

Almost surely, 263101142 is an apocalyptic number.

63101142 is an abundant number, since it is smaller than the sum of its proper divisors (84135402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63101142 is a wasteful number, since it uses less digits than its factorization.

63101142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269684 (or 269681 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 63101142 is about 7943.6227251802. The cubic root of 63101142 is about 398.1185433441.

Adding to 63101142 its reverse (24110136), we get a palindrome (87211278).

The spelling of 63101142 in words is "sixty-three million, one hundred one thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 234 269663 539326 808989 1617978 2426967 3505619 4853934 7011238 10516857 21033714 31550571 63101142