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47372144842 = 21114949928961
BaseRepresentation
bin101100000111100110…
…011001000011001010
311112021110001022001001
4230013212121003022
51234004232113332
633432405245214
73264632405311
oct540746310312
9145243038031
1047372144842
11190aa382630
129220a0380a
13460c4c6149
14241571b278
151373d110e7
hexb079990ca

47372144842 has 32 divisors (see below), whose sum is σ = 78197400000. Its totient is φ = 21344678400.

The previous prime is 47372144777. The next prime is 47372144851. The reversal of 47372144842 is 24844127374.

It is a junction number, because it is equal to n+sod(n) for n = 47372144792 and 47372144801.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1621242 + ... + 1650202.

It is an arithmetic number, because the mean of its divisors is an integer number (2443668750).

Almost surely, 247372144842 is an apocalyptic number.

47372144842 is a deficient number, since it is larger than the sum of its proper divisors (30825255158).

47372144842 is a wasteful number, since it uses less digits than its factorization.

47372144842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29622.

The product of its digits is 1204224, while the sum is 46.

The spelling of 47372144842 in words is "forty-seven billion, three hundred seventy-two million, one hundred forty-four thousand, eight hundred forty-two".

Divisors: 1 2 11 22 149 298 499 998 1639 3278 5489 10978 28961 57922 74351 148702 318571 637142 817861 1635722 4315189 8630378 14451539 28903078 47467079 94934158 158966929 317933858 2153279311 4306558622 23686072421 47372144842