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68324616052 = 22711316970001
BaseRepresentation
bin111111101000011101…
…101110011101110100
320112100122211010011021
4333220131232131310
52104412100203202
651215441350524
74636101440230
oct775035563564
9215318733137
1068324616052
1126a81512340
12112a9938444
13659b3095c4
1434422db5c0
151b9d4c0a37
hexfe876e774

68324616052 has 48 divisors (see below), whose sum is σ = 149121060480. Its totient is φ = 26611200000.

The previous prime is 68324616029. The next prime is 68324616079. The reversal of 68324616052 is 25061642386.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 941052 + ... + 1011052.

It is an arithmetic number, because the mean of its divisors is an integer number (3106688760).

Almost surely, 268324616052 is an apocalyptic number.

It is an amenable number.

68324616052 is an abundant number, since it is smaller than the sum of its proper divisors (80796444428).

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

68324616052 is a wasteful number, since it uses less digits than its factorization.

68324616052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73192 (or 73190 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 68324616052 in words is "sixty-eight billion, three hundred twenty-four million, six hundred sixteen thousand, fifty-two".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 3169 6338 12676 22183 34859 44366 69718 70001 88732 139436 140002 244013 280004 488026 490007 770011 976052 980014 1540022 1960028 3080044 5390077 10780154 21560308 221833169 443666338 887332676 1552832183 2440164859 3105664366 4880329718 6211328732 9760659436 17081154013 34162308026 68324616052