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82662787137788 = 221113197606071691
BaseRepresentation
bin10010110010111001101110…
…000100000100000011111100
3101211200111002202122000002222
4102302321232010010003330
541313321342001402123
6451450432110104512
723261121632256314
oct2262715604040374
9354614082560088
1082662787137788
1124380100363440
1293307281ab138
1337180b5056910
14165ac863b4444
159853aea306c8
hex4b2e6e1040fc

82662787137788 has 48 divisors (see below), whose sum is σ = 178894806195840. Its totient is φ = 32858229700800.

The previous prime is 82662787137767. The next prime is 82662787137839. The reversal of 82662787137788 is 88773178726628.

It is a congruent number.

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, 3803024978 + ... + 3803046713.

It is an arithmetic number, because the mean of its divisors is an integer number (3726975129080).

Almost surely, 282662787137788 is an apocalyptic number.

It is an amenable number.

82662787137788 is an abundant number, since it is smaller than the sum of its proper divisors (96232019058052).

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

82662787137788 is a wasteful number, since it uses less digits than its factorization.

82662787137788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7606071738 (or 7606071736 counting only the distinct ones).

The product of its digits is 4248502272, while the sum is 80.

The spelling of 82662787137788 in words is "eighty-two trillion, six hundred sixty-two billion, seven hundred eighty-seven million, one hundred thirty-seven thousand, seven hundred eighty-eight".

Divisors: 1 2 4 11 13 19 22 26 38 44 52 76 143 209 247 286 418 494 572 836 988 2717 5434 10868 7606071691 15212143382 30424286764 83666788601 98878931983 144515362129 167333577202 197757863966 289030724258 334667154404 395515727932 578061448516 1087668251813 1589668983419 1878699707677 2175336503626 3179337966838 3757399415354 4350673007252 6358675933676 7514798830708 20665696784447 41331393568894 82662787137788