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1005005000060 = 225173581825439
BaseRepresentation
bin11101001111111101111…
…01110100110101111100
310120002002112012202211122
432213332331310311330
5112431222240000220
62045405401010112
7132415650356645
oct16477675646574
93502075182748
101005005000060
11358247138586
1214293a183938
1373a05188239
14368dd04a6cc
151b220d59425
hexe9fef74d7c

1005005000060 has 48 divisors (see below), whose sum is σ = 2235284916480. Its totient is φ = 378248709120.

The previous prime is 1005005000059. The next prime is 1005005000093. The reversal of 1005005000060 is 600005005001.

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 804821 + ... + 1630259.

It is an arithmetic number, because the mean of its divisors is an integer number (46568435760).

Almost surely, 21005005000060 is an apocalyptic number.

1005005000060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1005005000060 is an abundant number, since it is smaller than the sum of its proper divisors (1230279916420).

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

1005005000060 is a wasteful number, since it uses less digits than its factorization.

1005005000060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829046 (or 829044 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 17.

The spelling of 1005005000060 in words is "one trillion, five billion, five million, sixty", and thus it is an aban number and an uban number.

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 3581 7162 14324 17905 35810 60877 71620 121754 243508 304385 608770 825439 1217540 1650878 3301756 4127195 8254390 14032463 16508780 28064926 56129852 70162315 140324630 280649260 2955897059 5911794118 11823588236 14779485295 29558970590 50250250003 59117941180 100500500006 201001000012 251251250015 502502500030 1005005000060