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1002311000145 = 33571381588197
BaseRepresentation
bin11101001010111100110…
…01000010000001010001
310112211010202222101201000
432211132121002001101
5112410213104001040
62044242203132213
7132262125633540
oct16453631020121
93484122871630
101002311000145
1135709447a574
12142307b14069
1373695cc2850
143672533a157
151b1145ac130
hexe95e642051

1002311000145 has 64 divisors (see below), whose sum is σ = 2193090762240. Its totient is φ = 422953208064.

The previous prime is 1002311000111. The next prime is 1002311000161. The reversal of 1002311000145 is 5410001132001.

It is not a de Polignac number, because 1002311000145 - 27 = 1002311000017 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 40781814 + ... + 40806383.

It is an arithmetic number, because the mean of its divisors is an integer number (34267043160).

Almost surely, 21002311000145 is an apocalyptic number.

1002311000145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1002311000145 is an abundant number, since it is smaller than the sum of its proper divisors (1190779762095).

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

1002311000145 is a wasteful number, since it uses less digits than its factorization.

1002311000145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81588231 (or 81588225 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

Adding to 1002311000145 its reverse (5410001132001), we get a palindrome (6412312132146).

The spelling of 1002311000145 in words is "one trillion, two billion, three hundred eleven million, one hundred forty-five", and thus it is an aban number.

Divisors: 1 3 5 7 9 13 15 21 27 35 39 45 63 65 91 105 117 135 189 195 273 315 351 455 585 819 945 1365 1755 2457 4095 12285 81588197 244764591 407940985 571117379 734293773 1060646561 1223822955 1713352137 2202881319 2855586895 3181939683 3671468865 5140056411 5303232805 7424525927 8566760685 9545819049 11014406595 15420169233 15909698415 22273577781 25700282055 28637457147 37122629635 47729095245 66820733343 77100846165 111367888905 143187285735 200462200029 334103666715 1002311000145