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70747441044 = 22377313983003
BaseRepresentation
bin100000111100011100…
…0000100011110010100
320202121111210101020020
41001320320010132110
52124342321103134
652300111105140
75053121220030
oct1017070043624
9222544711206
1070747441044
11280050a4645
12118652121b0
136896257467
1435d1dbd1c0
151c91054b49
hex1078e04794

70747441044 has 96 divisors (see below), whose sum is σ = 192622402560. Its totient is φ = 19792988928.

The previous prime is 70747441033. The next prime is 70747441067. The reversal of 70747441044 is 44014474707.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 70747440987 and 70747441005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 810847 + ... + 893849.

It is an arithmetic number, because the mean of its divisors is an integer number (2006483360).

Almost surely, 270747441044 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 70747441044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96311201280).

70747441044 is an abundant number, since it is smaller than the sum of its proper divisors (121874961516).

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

70747441044 is a wasteful number, since it uses less digits than its factorization.

70747441044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83229 (or 83227 counting only the distinct ones).

The product of its (nonzero) digits is 351232, while the sum is 42.

The spelling of 70747441044 in words is "seventy billion, seven hundred forty-seven million, four hundred forty-one thousand, forty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 73 84 139 146 219 278 292 417 438 511 556 834 876 973 1022 1533 1668 1946 2044 2919 3066 3892 5838 6132 10147 11676 20294 30441 40588 60882 71029 83003 121764 142058 166006 213087 249009 284116 332012 426174 498018 581021 852348 996036 1162042 1743063 2324084 3486126 6059219 6972252 11537417 12118438 18177657 23074834 24236876 34612251 36355314 42414533 46149668 69224502 72710628 80761919 84829066 127243599 138449004 161523838 169658132 242285757 254487198 323047676 484571514 508974396 842231441 969143028 1684462882 2526694323 3368925764 5053388646 5895620087 10106777292 11791240174 17686860261 23582480348 35373720522 70747441044