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16749293972 = 2219227970861
BaseRepresentation
bin11111001100101010…
…11111000110010100
31121020021202021220012
433212111133012110
5233300304401342
611410003255352
71132030435565
oct174625370624
947207667805
1016749293972
1171155a3514
1232b537a558
13176c094548
14b4c69c16c
156806a3b82
hex3e655f194

16749293972 has 24 divisors (see below), whose sum is σ = 30989915040. Its totient is φ = 7898916960.

The previous prime is 16749293947. The next prime is 16749293983. The reversal of 16749293972 is 27939294761.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 468179 + ... + 502682.

It is an arithmetic number, because the mean of its divisors is an integer number (1291246460).

Almost surely, 216749293972 is an apocalyptic number.

It is an amenable number.

16749293972 is a deficient number, since it is larger than the sum of its proper divisors (14240621068).

16749293972 is a wasteful number, since it uses less digits than its factorization.

16749293972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971111 (or 971109 counting only the distinct ones).

The product of its digits is 10287648, while the sum is 59.

The spelling of 16749293972 in words is "sixteen billion, seven hundred forty-nine million, two hundred ninety-three thousand, nine hundred seventy-two".

Divisors: 1 2 4 19 38 76 227 454 908 4313 8626 17252 970861 1941722 3883444 18446359 36892718 73785436 220385447 440770894 881541788 4187323493 8374646986 16749293972