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70473406740 = 223511577185057
BaseRepresentation
bin100000110100010001…
…0101101100100010100
320201220102010222211120
41001220202231210110
52123312143003430
652213001403540
75043253034142
oct1015042554424
9221812128746
1070473406740
1127984445610
12117a94995b0
13685154b299
1435a7848592
151c76e74610
hex10688ad914

70473406740 has 96 divisors (see below), whose sum is σ = 215638464384. Its totient is φ = 17054760960.

The previous prime is 70473406727. The next prime is 70473406741. The reversal of 70473406740 is 4760437407.

It is a junction number, because it is equal to n+sod(n) for n = 70473406692 and 70473406701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70473406741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 288292 + ... + 473348.

It is an arithmetic number, because the mean of its divisors is an integer number (2246234004).

Almost surely, 270473406740 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 70473406740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107819232192).

70473406740 is an abundant number, since it is smaller than the sum of its proper divisors (145165057644).

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

70473406740 is a wasteful number, since it uses less digits than its factorization.

70473406740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185657 (or 185655 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 42.

The spelling of 70473406740 in words is "seventy billion, four hundred seventy-three million, four hundred six thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 577 660 1154 1731 2308 2885 3462 5770 6347 6924 8655 11540 12694 17310 19041 25388 31735 34620 38082 63470 76164 95205 126940 185057 190410 370114 380820 555171 740228 925285 1110342 1850570 2035627 2220684 2775855 3701140 4071254 5551710 6106881 8142508 10178135 11103420 12213762 20356270 24427524 30534405 40712540 61068810 106777889 122137620 213555778 320333667 427111556 533889445 640667334 1067778890 1174556779 1281334668 1601668335 2135557780 2349113558 3203336670 3523670337 4698227116 5872783895 6406673340 7047340674 11745567790 14094681348 17618351685 23491135580 35236703370 70473406740