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121376929370 = 25103181739881
BaseRepresentation
bin111000100001010100…
…0001111011001011010
3102121021222002212111112
41301002220033121122
53442034443214440
6131432040500322
711524555606514
oct1610250173132
9377258085445
10121376929370
1147526126584
121b634a7a6a2
13b5a4548b88
145c36170bb4
153255cde965
hex1c42a0f65a

121376929370 has 64 divisors (see below), whose sum is σ = 222370686720. Its totient is φ = 47694873600.

The previous prime is 121376929361. The next prime is 121376929381. The reversal of 121376929370 is 73929673121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137771330 + ... + 137772210.

It is an arithmetic number, because the mean of its divisors is an integer number (3474541980).

Almost surely, 2121376929370 is an apocalyptic number.

121376929370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121376929370 is a deficient number, since it is larger than the sum of its proper divisors (100993757350).

121376929370 is a wasteful number, since it uses less digits than its factorization.

121376929370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1911.

The product of its (nonzero) digits is 857304, while the sum is 50.

The spelling of 121376929370 in words is "one hundred twenty-one billion, three hundred seventy-six million, nine hundred twenty-nine thousand, three hundred seventy".

Divisors: 1 2 5 10 103 181 206 362 515 739 881 905 1030 1478 1762 1810 3695 4405 7390 8810 18643 37286 76117 90743 93215 133759 152234 159461 181486 186430 267518 318922 380585 453715 651059 668795 761170 797305 907430 1302118 1337590 1594610 3255295 6510590 13777177 16424483 27554354 32848966 67059077 68885885 82122415 117841679 134118154 137771770 164244830 235683358 335295385 589208395 670590770 1178416790 12137692937 24275385874 60688464685 121376929370