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683942644992 = 2833172809307
BaseRepresentation
bin10011111001111100010…
…10001000110100000000
32102101101010202020122210
421330332022020310000
542201203304114432
61242110544302120
7100261510363305
oct11747612106400
92371333666583
10683942644992
1124407087a172
12b0677011940
134c659851949
14251628c30ac
1512bce5328cc
hex9f3e288d00

683942644992 has 72 divisors (see below), whose sum is σ = 1826027725536. Its totient is φ = 227261618176.

The previous prime is 683942644967. The next prime is 683942644999. The reversal of 683942644992 is 299446249386.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683942644999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1161198 + ... + 1648109.

It is an arithmetic number, because the mean of its divisors is an integer number (25361496188).

Almost surely, 2683942644992 is an apocalyptic number.

It is an amenable number.

683942644992 is an abundant number, since it is smaller than the sum of its proper divisors (1142085080544).

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

683942644992 is a wasteful number, since it uses less digits than its factorization.

683942644992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2809643 (or 2809629 counting only the distinct ones).

The product of its digits is 161243136, while the sum is 66.

The spelling of 683942644992 in words is "six hundred eighty-three billion, nine hundred forty-two million, six hundred forty-four thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 317 384 634 768 951 1268 1902 2536 3804 5072 7608 10144 15216 20288 30432 40576 60864 81152 121728 243456 2809307 5618614 8427921 11237228 16855842 22474456 33711684 44948912 67423368 89897824 134846736 179795648 269693472 359591296 539386944 719182592 890550319 1078773888 1781100638 2157547776 2671650957 3562201276 5343301914 7124402552 10686603828 14248805104 21373207656 28497610208 42746415312 56995220416 85492830624 113990440832 170985661248 227980881664 341971322496 683942644992