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140215055143145 = 5172479966518363
BaseRepresentation
bin11111111000011001011100…
…100011011101000011101001
3200101110102120021102201221212
4133320121130203131003221
5121334240413104040040
61214113523533042505
741351126530610513
oct3770313443350351
9611412507381855
10140215055143145
1140749964258304
121388674a326435
1360312b8b14ca8
14268a632a68bb3
1511324ae518d65
hex7f865c8dd0e9

140215055143145 has 16 divisors (see below), whose sum is σ = 178162786137600. Its totient is φ = 105569429816064.

The previous prime is 140215055143069. The next prime is 140215055143253. The reversal of 140215055143145 is 541341550512041.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-140215055143145 is a prime.

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, 31151267 + ... + 35367096.

It is an arithmetic number, because the mean of its divisors is an integer number (11135174133600).

Almost surely, 2140215055143145 is an apocalyptic number.

It is an amenable number.

140215055143145 is a deficient number, since it is larger than the sum of its proper divisors (37947730994455).

140215055143145 is a wasteful number, since it uses less digits than its factorization.

140215055143145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66543184.

The product of its (nonzero) digits is 240000, while the sum is 41.

The spelling of 140215055143145 in words is "one hundred forty trillion, two hundred fifteen billion, fifty-five million, one hundred forty-three thousand, one hundred forty-five".

Divisors: 1 5 17 85 24799 123995 421583 2107915 66518363 332591815 1130812171 5654060855 1649588884037 8247944420185 28043011028629 140215055143145