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42144401052 = 223213697712907
BaseRepresentation
bin100111010000000000…
…001000011010011100
311000210010010101201200
4213100000020122130
51142302431313202
631205540435500
73021243332625
oct472000103234
9130703111650
1042144401052
1116967463316
1282020a8b90
133c88418220
14207b2d4a4c
151169dbee1c
hex9d000869c

42144401052 has 72 divisors (see below), whose sum is σ = 114751758576. Its totient is φ = 12964644864.

The previous prime is 42144401051. The next prime is 42144401053. The reversal of 42144401052 is 25010444124.

42144401052 is a `hidden beast` number, since 4 + 214 + 440 + 1 + 0 + 5 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (42144401051) and next prime (42144401053).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42144401051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3258783 + ... + 3271689.

Almost surely, 242144401052 is an apocalyptic number.

It is an amenable number.

42144401052 is an abundant number, since it is smaller than the sum of its proper divisors (72607357524).

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

42144401052 is a wasteful number, since it uses less digits than its factorization.

42144401052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19907 (or 19902 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

Adding to 42144401052 its reverse (25010444124), we get a palindrome (67154845176).

The spelling of 42144401052 in words is "forty-two billion, one hundred forty-four million, four hundred one thousand, fifty-two".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 234 468 6977 12907 13954 20931 25814 27908 38721 41862 51628 62793 77442 83724 90701 116163 125586 154884 167791 181402 232326 251172 272103 335582 362804 464652 503373 544206 671164 816309 1006746 1088412 1510119 1632618 2013492 3020238 3265236 6040476 90052139 180104278 270156417 360208556 540312834 810469251 1080625668 1170677807 1620938502 2341355614 3241877004 3512033421 4682711228 7024066842 10536100263 14048133684 21072200526 42144401052