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70344448860 = 22357359466537
BaseRepresentation
bin100000110000011011…
…0110001101101011100
320201120102111020212210
41001200312301231130
52123031134330420
652152113400420
75040125643510
oct1014066615534
9221512436783
1070344448860
1127918675654
1211772269110
136830908c4a
14359467a140
151c6a99e9e0
hex1060db1b5c

70344448860 has 96 divisors (see below), whose sum is σ = 225729745920. Its totient is φ = 16033909248.

The previous prime is 70344448859. The next prime is 70344448871. The reversal of 70344448860 is 6884444307.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 82489 + ... + 384048.

It is an arithmetic number, because the mean of its divisors is an integer number (2351351520).

Almost surely, 270344448860 is an apocalyptic number.

70344448860 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70344448860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112864872960).

70344448860 is an abundant number, since it is smaller than the sum of its proper divisors (155385297060).

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

70344448860 is a wasteful number, since it uses less digits than its factorization.

70344448860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466915 (or 466913 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 48.

The spelling of 70344448860 in words is "seventy billion, three hundred forty-four million, four hundred forty-eight thousand, eight hundred sixty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 359 420 718 1077 1436 1795 2154 2513 3590 4308 5026 5385 7180 7539 10052 10770 12565 15078 21540 25130 30156 37695 50260 75390 150780 466537 933074 1399611 1866148 2332685 2799222 3265759 4665370 5598444 6531518 6998055 9330740 9797277 13063036 13996110 16328795 19594554 27992220 32657590 39189108 48986385 65315180 97972770 167486783 195945540 334973566 502460349 669947132 837433915 1004920698 1172407481 1674867830 2009841396 2344814962 2512301745 3349735660 3517222443 4689629924 5024603490 5862037405 7034444886 10049206980 11724074810 14068889772 17586112215 23448149620 35172224430 70344448860