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70740066700 = 225210128324749
BaseRepresentation
bin100000111100001101…
…1111100000110001100
320202120222220201112101
41001320123330012030
52124333424113300
652255245044444
75053001434342
oct1017033740614
9222528821471
1070740066700
1128000a18146
1211862856724
136894874a44
1435d101d992
151c90599b6a
hex10786fc18c

70740066700 has 72 divisors (see below), whose sum is σ = 155579886000. Its totient is φ = 27915744000.

The previous prime is 70740066659. The next prime is 70740066703. The reversal of 70740066700 is 766004707.

It is a self number, because there is not a number n which added to its sum of digits gives 70740066700.

It is not an unprimeable number, because it can be changed into a prime (70740066703) 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 23 ways as a sum of consecutive naturals, for example, 2845926 + ... + 2870674.

It is an arithmetic number, because the mean of its divisors is an integer number (2160831750).

Almost surely, 270740066700 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 70740066700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77789943000).

70740066700 is an abundant number, since it is smaller than the sum of its proper divisors (84839819300).

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

70740066700 is a wasteful number, since it uses less digits than its factorization.

70740066700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25147 (or 25140 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 37.

The spelling of 70740066700 in words is "seventy billion, seven hundred forty million, sixty-six thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 101 202 283 404 505 566 1010 1132 1415 2020 2525 2830 5050 5660 7075 10100 14150 24749 28300 28583 49498 57166 98996 114332 123745 142915 247490 285830 494980 571660 618725 714575 1237450 1429150 2474900 2499649 2858300 4999298 7003967 9998596 12498245 14007934 24996490 28015868 35019835 49992980 62491225 70039670 124982450 140079340 175099175 249964900 350198350 700396700 707400667 1414801334 2829602668 3537003335 7074006670 14148013340 17685016675 35370033350 70740066700