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2145103005015 = 33569931227219
BaseRepresentation
bin11111001101110010000…
…110100100010101010111
321121001212220202020121000
4133031302012210111113
5240121132332130030
64321240253554343
7310656436461015
oct37156206442527
97531786666530
102145103005015
117578077a6143
122a789a7a59b3
1312738940b459
1475b75b138b5
153abebc00860
hex1f3721a4557

2145103005015 has 32 divisors (see below), whose sum is σ = 3813587769600. Its totient is φ = 1144033541280.

The previous prime is 2145103005007. The next prime is 2145103005037. The reversal of 2145103005015 is 5105003015412.

2145103005015 is a `hidden beast` number, since 2 + 145 + 10 + 3 + 0 + 0 + 501 + 5 = 666.

It is not a de Polignac number, because 2145103005015 - 23 = 2145103005007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 2145103005015.

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, 9327076 + ... + 9554294.

It is an arithmetic number, because the mean of its divisors is an integer number (119174617800).

Almost surely, 22145103005015 is an apocalyptic number.

2145103005015 is a deficient number, since it is larger than the sum of its proper divisors (1668484764585).

2145103005015 is a wasteful number, since it uses less digits than its factorization.

2145103005015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297164 (or 297158 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The spelling of 2145103005015 in words is "two trillion, one hundred forty-five billion, one hundred three million, five thousand, fifteen".

Divisors: 1 3 5 9 15 27 45 135 69931 209793 227219 349655 629379 681657 1048965 1136095 1888137 2044971 3146895 3408285 6134913 9440685 10224855 30674565 15889651889 47668955667 79448259445 143006867001 238344778335 429020601003 715034335005 2145103005015