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68336624852650 = 252711283157123829
BaseRepresentation
bin11111000100110110111000…
…01111111101111010101010
322221221220202212211020022201
433202123130033331322222
532424111401430241100
6401201225001210414
720252105161123360
oct1742333417757252
9287856685736281
1068336624852650
111a857444219500
1277b8119490a0a
132c1916801ca9b
1412c3720347630
157d78d471536a
hex3e26dc3fdeaa

68336624852650 has 288 divisors, whose sum is σ = 162624817595520. Its totient is φ = 20908902643200.

The previous prime is 68336624852633. The next prime is 68336624852687. The reversal of 68336624852650 is 5625842663386.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 551800936 + ... + 551924764.

It is an arithmetic number, because the mean of its divisors is an integer number (564669505540).

Almost surely, 268336624852650 is an apocalyptic number.

68336624852650 is an abundant number, since it is smaller than the sum of its proper divisors (94288192742870).

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

68336624852650 is a wasteful number, since it uses less digits than its factorization.

68336624852650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124110 (or 124094 counting only the distinct ones).

The product of its (nonzero) digits is 298598400, while the sum is 64.

The spelling of 68336624852650 in words is "sixty-eight trillion, three hundred thirty-six billion, six hundred twenty-four million, eight hundred fifty-two thousand, six hundred fifty".