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122716672 = 2913103179
BaseRepresentation
bin1110101000010…
…00001000000000
322112220122121221
413110020020000
5222403413142
620102124424
73020034361
oct724101000
9275818557
10122716672
11632a7941
1235120714
131c568620
1412425b68
15ab90767
hex7508200

122716672 has 80 divisors (see below), whose sum is σ = 268107840. Its totient is φ = 55775232.

The previous prime is 122716621. The next prime is 122716681. The reversal of 122716672 is 276617221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 685479 + ... + 685657.

It is an arithmetic number, because the mean of its divisors is an integer number (3351348).

Almost surely, 2122716672 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 122716672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134053920).

122716672 is an abundant number, since it is smaller than the sum of its proper divisors (145391168).

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

122716672 is a wasteful number, since it uses less digits than its factorization.

122716672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313 (or 297 counting only the distinct ones).

The product of its digits is 14112, while the sum is 34.

The square root of 122716672 is about 11077.7557293885. The cubic root of 122716672 is about 496.9368350295.

The spelling of 122716672 in words is "one hundred twenty-two million, seven hundred sixteen thousand, six hundred seventy-two".

Divisors: 1 2 4 8 13 16 26 32 52 64 103 104 128 179 206 208 256 358 412 416 512 716 824 832 1339 1432 1648 1664 2327 2678 2864 3296 3328 4654 5356 5728 6592 6656 9308 10712 11456 13184 18437 18616 21424 22912 26368 36874 37232 42848 45824 52736 73748 74464 85696 91648 147496 148928 171392 239681 294992 297856 342784 479362 589984 595712 685568 958724 1179968 1191424 1917448 2359936 3834896 4719872 7669792 9439744 15339584 30679168 61358336 122716672