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868683802028 = 22738538052017
BaseRepresentation
bin11001010010000011001…
…01101110010110101100
310002001020001211101200012
430221001211232112230
5103213031023131103
61503022352352352
7116521536325550
oct14510145562654
93061201741605
10868683802028
113054523a5849
121204345456b8
1363bbb807353
143008a241860
15178e30b32d8
hexca4196e5ac

868683802028 has 24 divisors (see below), whose sum is σ = 1737818732832. Its totient is φ = 372196387584.

The previous prime is 868683801983. The next prime is 868683802073. The reversal of 868683802028 is 820208386868.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (868683801983) and next prime (868683802073).

It is a super-2 number, since 2×8686838020282 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3918125 + ... + 4133892.

It is an arithmetic number, because the mean of its divisors is an integer number (72409113868).

Almost surely, 2868683802028 is an apocalyptic number.

It is an amenable number.

868683802028 is an abundant number, since it is smaller than the sum of its proper divisors (869134930804).

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

868683802028 is a wasteful number, since it uses less digits than its factorization.

868683802028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8055881 (or 8055879 counting only the distinct ones).

The product of its (nonzero) digits is 14155776, while the sum is 59.

The spelling of 868683802028 in words is "eight hundred sixty-eight billion, six hundred eighty-three million, eight hundred two thousand, twenty-eight".

Divisors: 1 2 4 7 14 28 3853 7706 15412 26971 53942 107884 8052017 16104034 32208068 56364119 112728238 225456476 31024421501 62048843002 124097686004 217170950507 434341901014 868683802028