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51054646365151 = 11131631921877903
BaseRepresentation
bin10111001101111000101100…
…00011111000101111011111
320200202202222002100122222221
423212330112003320233133
523142434403432141101
6300330103013050211
713516401505544032
oct1346742603705737
9220682862318887
1051054646365151
11152a4176976a30
125886895926967
132264581260610
14c870b54ab019
155d80adb1baa1
hex2e6f160f8bdf

51054646365151 has 16 divisors (see below), whose sum is σ = 59983962071040. Its totient is φ = 42840432580320.

The previous prime is 51054646365133. The next prime is 51054646365227. The reversal of 51054646365151 is 15156364645015.

It is a cyclic number.

It is not a de Polignac number, because 51054646365151 - 215 = 51054646332383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51054646365251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8605335 + ... + 13272568.

It is an arithmetic number, because the mean of its divisors is an integer number (3748997629440).

Almost surely, 251054646365151 is an apocalyptic number.

51054646365151 is a deficient number, since it is larger than the sum of its proper divisors (8929315705889).

51054646365151 is a wasteful number, since it uses less digits than its factorization.

51054646365151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21894246.

The product of its (nonzero) digits is 6480000, while the sum is 52.

The spelling of 51054646365151 in words is "fifty-one trillion, fifty-four billion, six hundred forty-six million, three hundred sixty-five thousand, one hundred fifty-one".

Divisors: 1 11 13 143 16319 179509 212147 2333617 21877903 240656933 284412739 3128540129 357025499057 3927280489627 4641331487741 51054646365151