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42351240054 = 2331307741677
BaseRepresentation
bin100111011100010101…
…001010001101110110
311001022112022220111110
4213130111022031312
51143213404140204
631242250015450
73026334413034
oct473425121566
9131275286443
1042351240054
1116a63197542
12825b417586
133cbc228376
14209a977554
15117d12a889
hex9dc54a376

42351240054 has 32 divisors (see below), whose sum is σ = 87719740416. Its totient is φ = 13617171360.

The previous prime is 42351240017. The next prime is 42351240067. The reversal of 42351240054 is 45004215324.

It is a super-2 number, since 2×423512400542 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 313737 + ... + 427940.

It is an arithmetic number, because the mean of its divisors is an integer number (2741241888).

Almost surely, 242351240054 is an apocalyptic number.

42351240054 is an abundant number, since it is smaller than the sum of its proper divisors (45368500362).

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

42351240054 is a wasteful number, since it uses less digits than its factorization.

42351240054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742020.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 42351240054 its reverse (45004215324), we get a palindrome (87355455378).

The spelling of 42351240054 in words is "forty-two billion, three hundred fifty-one million, two hundred forty thousand, fifty-four".

Divisors: 1 2 3 6 31 62 93 186 307 614 921 1842 9517 19034 28551 57102 741677 1483354 2225031 4450062 22991987 45983974 68975961 137951922 227694839 455389678 683084517 1366169034 7058540009 14117080018 21175620027 42351240054