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2170993344 = 263132333733
BaseRepresentation
bin1000000101100110…
…1011101011000000
312121022002212222220
42001121223223000
513421233241334
6555231531040
7104541065442
oct20131535300
95538085886
102170993344
11a14518483
12507089a80
13287a16860
1416848a492
15ca8dc449
hex8166bac0

2170993344 has 112 divisors (see below), whose sum is σ = 6214152672. Its totient is φ = 664952832.

The previous prime is 2170993339. The next prime is 2170993351. The reversal of 2170993344 is 4433990712.

It is a junction number, because it is equal to n+sod(n) for n = 2170993296 and 2170993305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 579702 + ... + 583434.

It is an arithmetic number, because the mean of its divisors is an integer number (55483506).

Almost surely, 22170993344 is an apocalyptic number.

2170993344 is a gapful number since it is divisible by the number (24) 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 2170993344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3107076336).

2170993344 is an abundant number, since it is smaller than the sum of its proper divisors (4043159328).

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

2170993344 is a wasteful number, since it uses less digits than its factorization.

2170993344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3994 (or 3984 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 2170993344 is about 46593.9196033130. The cubic root of 2170993344 is about 1294.8501079226.

The spelling of 2170993344 in words is "two billion, one hundred seventy million, nine hundred ninety-three thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 156 192 208 233 312 416 466 624 699 832 932 1248 1398 1864 2496 2796 3029 3728 3733 5592 6058 7456 7466 9087 11184 11199 12116 14912 14932 18174 22368 22398 24232 29864 36348 44736 44796 48464 48529 59728 72696 89592 96928 97058 119456 145392 145587 179184 193856 194116 238912 290784 291174 358368 388232 581568 582348 716736 776464 869789 1164696 1552928 1739578 2329392 2609367 3105856 3479156 4658784 5218734 6958312 9317568 10437468 11307257 13916624 20874936 22614514 27833248 33921771 41749872 45229028 55666496 67843542 83499744 90458056 135687084 166999488 180916112 271374168 361832224 542748336 723664448 1085496672 2170993344