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42878788743277 = 1779146369218131
BaseRepresentation
bin10011011111111011111101…
…11110001011000001101101
312121211011122111211110102001
421233331332332023001231
521110011224404241102
6231110124341532301
712013614233444524
oct1157757676130155
9177734574743361
1042878788743277
1112731879441613
124986243714091
131ac05b5ca7246
14a834b72494bb
154e5597e99487
hex26ff7ef8b06d

42878788743277 has 16 divisors (see below), whose sum is σ = 45976292409600. Its totient is φ = 39845210296320.

The previous prime is 42878788743199. The next prime is 42878788743289. The reversal of 42878788743277 is 77234788787824.

It is a cyclic number.

It is not a de Polignac number, because 42878788743277 - 239 = 42329032929389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42878788743277.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42878738743277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196464502 + ... + 196682632.

It is an arithmetic number, because the mean of its divisors is an integer number (2873518275600).

Almost surely, 242878788743277 is an apocalyptic number.

It is an amenable number.

42878788743277 is a deficient number, since it is larger than the sum of its proper divisors (3097503666323).

42878788743277 is a wasteful number, since it uses less digits than its factorization.

42878788743277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364596.

The product of its digits is 13217562624, while the sum is 82.

The spelling of 42878788743277 in words is "forty-two trillion, eight hundred seventy-eight billion, seven hundred eighty-eight million, seven hundred forty-three thousand, two hundred seventy-seven".

Divisors: 1 17 79 1343 146369 218131 2488273 3708227 11563151 17232349 196573567 292949933 31927616339 542769477763 2522281690781 42878788743277