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70523163090 = 23252932598291
BaseRepresentation
bin100000110101110000…
…0100001000111010010
320202000212202212201100
41001223200201013102
52123412412204330
652221540045230
75044425665322
oct1015340410722
9222025685640
1070523163090
11279aa53a266
1211802093816
13685b94c803
1435b02bb282
151c7b502060
hex106b8211d2

70523163090 has 96 divisors (see below), whose sum is σ = 189764078400. Its totient is φ = 18149927040.

The previous prime is 70523163089. The next prime is 70523163097. The reversal of 70523163090 is 9036132507.

70523163090 is a `hidden beast` number, since 7 + 0 + 523 + 16 + 30 + 90 = 666.

It is not an unprimeable number, because it can be changed into a prime (70523163097) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8501845 + ... + 8510135.

It is an arithmetic number, because the mean of its divisors is an integer number (1976709150).

Almost surely, 270523163090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70523163090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94882039200).

70523163090 is an abundant number, since it is smaller than the sum of its proper divisors (119240915310).

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

70523163090 is a wasteful number, since it uses less digits than its factorization.

70523163090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11592 (or 11589 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

Adding to 70523163090 its reverse (9036132507), we get a palindrome (79559295597).

The spelling of 70523163090 in words is "seventy billion, five hundred twenty-three million, one hundred sixty-three thousand, ninety".

Divisors: 1 2 3 5 6 9 10 15 18 29 30 45 58 87 90 145 174 261 290 435 522 870 1305 2610 3259 6518 8291 9777 16295 16582 19554 24873 29331 32590 41455 48885 49746 58662 74619 82910 94511 97770 124365 146655 149238 189022 240439 248730 283533 293310 373095 472555 480878 567066 721317 746190 850599 945110 1202195 1417665 1442634 1701198 2163951 2404390 2835330 3606585 4252995 4327902 7213170 8505990 10819755 21639510 27020369 54040738 81061107 135101845 162122214 243183321 270203690 405305535 486366642 783590701 810611070 1215916605 1567181402 2350772103 2431833210 3917953505 4701544206 7052316309 7835907010 11753860515 14104632618 23507721030 35261581545 70523163090