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42878516505168 = 2433724143308843
BaseRepresentation
bin10011011111111011011101…
…01111101010101001010000
312121211010221112120022221010
421233331232233222221100
521110010200211131133
6231110041334530520
712013604416452441
oct1157755657525120
9177733845508833
1042878516505168
11127317497aa043
124986188506a40
131ac05717797c6
14a8348d0212c8
154e557e121263
hex26ff6ebeaa50

42878516505168 has 40 divisors (see below), whose sum is σ = 113763271272928. Its totient is φ = 13906545892992.

The previous prime is 42878516505163. The next prime is 42878516505193. The reversal of 42878516505168 is 86150561587824.

It is a junction number, because it is equal to n+sod(n) for n = 42878516505099 and 42878516505108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42878516505163) 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, 12071652646 + ... + 12071656197.

Almost surely, 242878516505168 is an apocalyptic number.

42878516505168 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

42878516505168 is an abundant number, since it is smaller than the sum of its proper divisors (70884754767760).

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

42878516505168 is a wasteful number, since it uses less digits than its factorization.

42878516505168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24143308891 (or 24143308885 counting only the distinct ones).

The product of its (nonzero) digits is 129024000, while the sum is 66.

The spelling of 42878516505168 in words is "forty-two trillion, eight hundred seventy-eight billion, five hundred sixteen million, five hundred five thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 37 48 74 111 148 222 296 444 592 888 1776 24143308843 48286617686 72429926529 96573235372 144859853058 193146470744 289719706116 386292941488 579439412232 893302427191 1158878824464 1786604854382 2679907281573 3573209708764 5359814563146 7146419417528 10719629126292 14292838835056 21439258252584 42878516505168