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16393742046 = 23211768710771
BaseRepresentation
bin11110100010010010…
…01010011011011110
31120022111201101100100
433101021022123132
5232033244221141
611310422441530
71120152336213
oct172111123336
946274641310
1016393742046
116a52927050
1232162932a6
1317135162a6
14b17387b0a
1565e3700b6
hex3d124a6de

16393742046 has 48 divisors (see below), whose sum is σ = 38757483648. Its totient is φ = 4966693200.

The previous prime is 16393742017. The next prime is 16393742069. The reversal of 16393742046 is 64024739361.

16393742046 is a `hidden beast` number, since 1 + 639 + 3 + 7 + 4 + 2 + 0 + 4 + 6 = 666.

It is a super-2 number, since 2×163937420462 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16393741992 and 16393742010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1516641 + ... + 1527411.

It is an arithmetic number, because the mean of its divisors is an integer number (807447576).

Almost surely, 216393742046 is an apocalyptic number.

16393742046 is an abundant number, since it is smaller than the sum of its proper divisors (22363741602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16393742046 is a wasteful number, since it uses less digits than its factorization.

16393742046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18477 (or 18474 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 45.

The spelling of 16393742046 in words is "sixteen billion, three hundred ninety-three million, seven hundred forty-two thousand, forty-six".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 7687 10771 15374 21542 23061 32313 46122 64626 69183 84557 96939 118481 138366 169114 193878 236962 253671 355443 507342 710886 761013 1066329 1522026 2132658 82796677 165593354 248390031 496780062 745170093 910763447 1490340186 1821526894 2732290341 5464580682 8196871023 16393742046