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87028314073382 = 21129713319578861
BaseRepresentation
bin10011110010011011011011…
…101111101110100100100110
3102102010211021211201221211202
4103302123123233232210212
542401332441400322012
6505032131111002502
724221405516050463
oct2362333357564446
9372124254657752
1087028314073382
112580355651a930
129916806369432
133973972493006
14176c29b37466a
15a0dc15c3ccc2
hex4f26dbbee926

87028314073382 has 64 divisors (see below), whose sum is σ = 149440866278400. Its totient is φ = 37644886608000.

The previous prime is 87028314073297. The next prime is 87028314073457. The reversal of 87028314073382 is 28337041382078.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 150054632 + ... + 150633492.

It is an arithmetic number, because the mean of its divisors is an integer number (2335013535600).

Almost surely, 287028314073382 is an apocalyptic number.

87028314073382 is a deficient number, since it is larger than the sum of its proper divisors (62412552205018).

87028314073382 is a wasteful number, since it uses less digits than its factorization.

87028314073382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582293.

The product of its (nonzero) digits is 10838016, while the sum is 56.

The spelling of 87028314073382 in words is "eighty-seven trillion, twenty-eight billion, three hundred fourteen million, seventy-three thousand, three hundred eighty-two".

Divisors: 1 2 11 22 29 58 71 142 319 638 781 1562 2059 3319 4118 6638 22649 36509 45298 73018 96251 192502 235649 471298 578861 1058761 1157722 2117522 2592139 5184278 6367471 6833821 12734942 13667642 16786969 33573938 41099131 75172031 82198262 150344062 184656659 369313318 452090441 904180882 1191874799 1921239659 2383749598 3842479318 13110622789 21133636249 26221245578 42267272498 55715950111 111431900222 136408015789 272816031578 612875451221 1225750902442 1500488173679 3000976347358 3955832457881 7911664915762 43514157036691 87028314073382