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42391354305860 = 2257302795387899
BaseRepresentation
bin10011010001110000000011…
…00111010110110101000100
312120002120111100221110112022
421220320001213112311010
521024014443200241420
6230054152550142312
711633450164211330
oct1150700147266504
9176076440843468
1042391354305860
111256408840228a
12490788a951998
131a8664521cc01
14a67a76bc47c0
154d7a6a5a0c25
hex268e019d6d44

42391354305860 has 24 divisors (see below), whose sum is σ = 101739250334400. Its totient is φ = 14534178619104.

The previous prime is 42391354305851. The next prime is 42391354305863. The reversal of 42391354305860 is 6850345319324.

It is not an unprimeable number, because it can be changed into a prime (42391354305863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151397693810 + ... + 151397694089.

It is an arithmetic number, because the mean of its divisors is an integer number (4239135430600).

Almost surely, 242391354305860 is an apocalyptic number.

It is an amenable number.

42391354305860 is an abundant number, since it is smaller than the sum of its proper divisors (59347896028540).

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

42391354305860 is a wasteful number, since it uses less digits than its factorization.

42391354305860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302795387915 (or 302795387913 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 53.

The spelling of 42391354305860 in words is "forty-two trillion, three hundred ninety-one billion, three hundred fifty-four million, three hundred five thousand, eight hundred sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 302795387899 605590775798 1211181551596 1513976939495 2119567715293 3027953878990 4239135430586 6055907757980 8478270861172 10597838576465 21195677152930 42391354305860