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3284186906845 = 5131033130737423
BaseRepresentation
bin101111110010101000110…
…010110100000011011101
3102121222001122001221101101
4233302220302310003131
5412302003322004340
610552422403113101
7456163133052145
oct57625062640335
912558048057341
103284186906845
1110568a7988049
124505b7672791
131aa90b527150
14b4d53c3b925
155a668a2bc9a
hex2fca8cb40dd

3284186906845 has 32 divisors (see below), whose sum is σ = 4251652618752. Its totient is φ = 2420979466752.

The previous prime is 3284186906821. The next prime is 3284186906857. The reversal of 3284186906845 is 5486096814823.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3284186906845 is a prime.

It is a Duffinian number.

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, 87739804 + ... + 87777226.

It is an arithmetic number, because the mean of its divisors is an integer number (132864144336).

Almost surely, 23284186906845 is an apocalyptic number.

It is an amenable number.

3284186906845 is a deficient number, since it is larger than the sum of its proper divisors (967465711907).

3284186906845 is a wasteful number, since it uses less digits than its factorization.

3284186906845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39781.

The product of its (nonzero) digits is 79626240, while the sum is 64.

The spelling of 3284186906845 in words is "three trillion, two hundred eighty-four billion, one hundred eighty-six million, nine hundred six thousand, eight hundred forty-five".

Divisors: 1 5 13 65 1033 1307 5165 6535 13429 16991 37423 67145 84955 187115 486499 1350131 2432495 6750655 17551703 38657959 48911861 87758515 193289795 244559305 502553467 635854193 2512767335 3179270965 50525952413 252629762065 656837381369 3284186906845