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51066166151156 = 22131951686402987
BaseRepresentation
bin10111001110001110001001…
…01100011000011111110100
320200210212200220212102120212
423213013010230120133310
523143132002013314111
6300335250050044552
713520260126242002
oct1347070454303764
9220725626772525
1051066166151156
11152a9048555732
125888b6b879758
132265698a79c40
14c87889403a72
155d853513198b
hex2e71c4b187f4

51066166151156 has 24 divisors (see below), whose sum is σ = 101305349856480. Its totient is φ = 22328526089952.

The previous prime is 51066166151123. The next prime is 51066166151171. The reversal of 51066166151156 is 65115166166015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25843200506 + ... + 25843202481.

It is an arithmetic number, because the mean of its divisors is an integer number (4221056244020).

Almost surely, 251066166151156 is an apocalyptic number.

It is an amenable number.

51066166151156 is a deficient number, since it is larger than the sum of its proper divisors (50239183705324).

51066166151156 is a wasteful number, since it uses less digits than its factorization.

51066166151156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51686403023 (or 51686403021 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 50.

The spelling of 51066166151156 in words is "fifty-one trillion, sixty-six billion, one hundred sixty-six million, one hundred fifty-one thousand, one hundred fifty-six".

Divisors: 1 2 4 13 19 26 38 52 76 247 494 988 51686402987 103372805974 206745611948 671923238831 982041656753 1343846477662 1964083313506 2687692955324 3928166627012 12766541537789 25533083075578 51066166151156