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842688680676 = 223372663371263
BaseRepresentation
bin11000100001101000010…
…10001101001011100100
32222120010102102101222220
430100310022031023210
5102301311300240201
61443043102552340
7114611416413003
oct14206412151344
92876112371886
10842688680676
112a5422878387
1211739a8986b0
136160808143b
142cb01a5ac3a
1516dc0d75036
hexc43428d2e4

842688680676 has 48 divisors (see below), whose sum is σ = 2019520280064. Its totient is φ = 273290340096.

The previous prime is 842688680663. The next prime is 842688680707. The reversal of 842688680676 is 676086886248.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 842688680676.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11789421 + ... + 11860683.

It is an arithmetic number, because the mean of its divisors is an integer number (42073339168).

Almost surely, 2842688680676 is an apocalyptic number.

It is an amenable number.

842688680676 is an abundant number, since it is smaller than the sum of its proper divisors (1176831599388).

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

842688680676 is a wasteful number, since it uses less digits than its factorization.

842688680676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97940 (or 97938 counting only the distinct ones).

The product of its (nonzero) digits is 297271296, while the sum is 69.

The spelling of 842688680676 in words is "eight hundred forty-two billion, six hundred eighty-eight million, six hundred eighty thousand, six hundred seventy-six".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 444 26633 53266 71263 79899 106532 142526 159798 213789 285052 319596 427578 855156 985421 1970842 2636731 2956263 3941684 5273462 5912526 7910193 10546924 11825052 15820386 31640772 1897947479 3795894958 5693842437 7591789916 11387684874 22775369748 70224056723 140448113446 210672170169 280896226892 421344340338 842688680676