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742706789412 = 2237591274872423
BaseRepresentation
bin10101100111011001100…
…01100011110000100100
32122000001111212002021010
422303230301203300210
544132030414230122
61325110024022220
7104441652355440
oct12635461436044
92560044762233
10742706789412
11266a86690685
12bbb37001970
1355063242333
1427d39191820
15144bd515e0c
hexacecc63c24

742706789412 has 192 divisors, whose sum is σ = 2034987171840. Its totient is φ = 206452520064.

The previous prime is 742706789303. The next prime is 742706789413. The reversal of 742706789412 is 214987607247.

It is a super-2 number, since 2×7427067894122 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (742706789413) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 306522433 + ... + 306524855.

It is an arithmetic number, because the mean of its divisors is an integer number (10598891520).

Almost surely, 2742706789412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 742706789412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1017493585920).

742706789412 is an abundant number, since it is smaller than the sum of its proper divisors (1292280382428).

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

742706789412 is a wasteful number, since it uses less digits than its factorization.

742706789412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3110 (or 3108 counting only the distinct ones).

The product of its (nonzero) digits is 9483264, while the sum is 57.

The spelling of 742706789412 in words is "seven hundred forty-two billion, seven hundred six million, seven hundred eighty-nine thousand, four hundred twelve".