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2185200003355 = 5437040000671
BaseRepresentation
bin11111110011001000000…
…100011110100100011011
321201220101100022210210121
4133303020010132210123
5241300242200101410
64351511135454111
7313606202362555
oct37631004364433
97656340283717
102185200003355
117728134854a6
122b360b087337
1312b0a95c3185
1477a9b1304d5
153bc96e979da
hex1fcc811e91b

2185200003355 has 4 divisors (see below), whose sum is σ = 2622240004032. Its totient is φ = 1748160002680.

The previous prime is 2185200003281. The next prime is 2185200003361. The reversal of 2185200003355 is 5533000025812.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2185200003355 - 213 = 2185199995163 is a prime.

It is a super-2 number, since 2×21852000033552 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2185200003355.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218520000331 + ... + 218520000340.

It is an arithmetic number, because the mean of its divisors is an integer number (655560001008).

Almost surely, 22185200003355 is an apocalyptic number.

2185200003355 is a deficient number, since it is larger than the sum of its proper divisors (437040000677).

2185200003355 is an equidigital number, since it uses as much as digits as its factorization.

2185200003355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437040000676.

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 2185200003355 in words is "two trillion, one hundred eighty-five billion, two hundred million, three thousand, three hundred fifty-five".

Divisors: 1 5 437040000671 2185200003355