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6146381972 = 221980873447
BaseRepresentation
bin1011011100101101…
…00101100010010100
3120212100111112222202
411232112211202110
5100041433210342
62453522144032
7305212245653
oct55626454224
916770445882
106146381972
112674521825
1212364b2018
1376c4cbc13
1442443519a
1525e900332
hex16e5a5894

6146381972 has 12 divisors (see below), whose sum is σ = 11322282720. Its totient is φ = 2911444056.

The previous prime is 6146381959. The next prime is 6146381981. The reversal of 6146381972 is 2791836416.

It is a super-2 number, since 2×61463819722 = 75556022691453217568, which contains 22 as substring.

It is a congruent number.

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, 40436648 + ... + 40436799.

It is an arithmetic number, because the mean of its divisors is an integer number (943523560).

Almost surely, 26146381972 is an apocalyptic number.

It is an amenable number.

6146381972 is a deficient number, since it is larger than the sum of its proper divisors (5175900748).

6146381972 is a wasteful number, since it uses less digits than its factorization.

6146381972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80873470 (or 80873468 counting only the distinct ones).

The product of its digits is 435456, while the sum is 47.

The square root of 6146381972 is about 78398.8646091256. The cubic root of 6146381972 is about 1831.7794482399.

The spelling of 6146381972 in words is "six billion, one hundred forty-six million, three hundred eighty-one thousand, nine hundred seventy-two".

Divisors: 1 2 4 19 38 76 80873447 161746894 323493788 1536595493 3073190986 6146381972