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42487788778424 = 23111014780354273
BaseRepresentation
bin10011010100100011101011…
…00011101011001110111000
312120102210102001102020122022
421222101311203223032320
521032104442411402144
6230210342023414012
711643433004542163
oct1152216543531670
9176383361366568
1042487788778424
11125a0a741248a0
1249225025b4308
131a9277312c1b2
14a6c5c44aaada
154da311787cee
hex26a4758eb3b8

42487788778424 has 32 divisors (see below), whose sum is σ = 87767304470640. Its totient is φ = 19121417088000.

The previous prime is 42487788778411. The next prime is 42487788778427.

42487788778424 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42487788778427) 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, 2390168249 + ... + 2390186024.

Almost surely, 242487788778424 is an apocalyptic number.

42487788778424 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42487788778424 is an abundant number, since it is smaller than the sum of its proper divisors (45279515692216).

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

42487788778424 is a wasteful number, since it uses less digits than its factorization.

42487788778424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4780354391 (or 4780354387 counting only the distinct ones).

The product of its digits is 10070523904, while the sum is 80.

The spelling of 42487788778424 in words is "forty-two trillion, four hundred eighty-seven billion, seven hundred eighty-eight million, seven hundred seventy-eight thousand, four hundred twenty-four".

Divisors: 1 2 4 8 11 22 44 88 101 202 404 808 1111 2222 4444 8888 4780354273 9560708546 19121417092 38242834184 52583897003 105167794006 210335588012 420671176024 482815781573 965631563146 1931263126292 3862526252584 5310973597303 10621947194606 21243894389212 42487788778424