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121354752974 = 27134635692531
BaseRepresentation
bin111000100000101001…
…1101001001111001110
3102121020102101012012112
41301001103221033032
53442013304043344
6131425525304022
711524166244350
oct1610123511716
9377212335175
10121354752974
114751465a084
121b629565012
13b59ca82c50
145c3323b0d0
153253dadc9e
hex1c414e93ce

121354752974 has 64 divisors (see below), whose sum is σ = 225006888960. Its totient is φ = 47801698560.

The previous prime is 121354752973. The next prime is 121354752991. The reversal of 121354752974 is 479257453121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121354752973) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47946089 + ... + 47948619.

It is an arithmetic number, because the mean of its divisors is an integer number (3515732640).

Almost surely, 2121354752974 is an apocalyptic number.

121354752974 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

121354752974 is a deficient number, since it is larger than the sum of its proper divisors (103652135986).

121354752974 is a wasteful number, since it uses less digits than its factorization.

121354752974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3585.

The product of its digits is 2116800, while the sum is 50.

The spelling of 121354752974 in words is "one hundred twenty-one billion, three hundred fifty-four million, seven hundred fifty-two thousand, nine hundred seventy-four".

Divisors: 1 2 7 13 14 26 91 182 463 569 926 1138 2531 3241 3983 5062 6019 6482 7397 7966 12038 14794 17717 32903 35434 42133 51779 65806 84266 103558 230321 263447 460642 526894 1171853 1440139 1844129 2343706 2880278 3424811 3688258 6849622 8202971 10080973 15234089 16405942 18721807 20161946 23973677 30468178 37443614 47947354 106638623 131052649 213277246 262105298 666784357 1333568714 4667490499 8668196641 9334980998 17336393282 60677376487 121354752974