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121479668038 = 2161743375533
BaseRepresentation
bin111000100100011000…
…0001010000101000110
3102121120010102112110101
41301020300022011012
53442242243334123
6131450150514314
711530244066251
oct1611060120506
9377503375411
10121479668038
1147579118673
121b66336599a
13b5bc90b0a1
145c45a76098
15325ed35aad
hex1c48c0a146

121479668038 has 8 divisors (see below), whose sum is σ = 182221113888. Its totient is φ = 60739296744.

The previous prime is 121479667961. The next prime is 121479668071. The reversal of 121479668038 is 830866974121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 121479668038.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135720 + ... + 511252.

It is an arithmetic number, because the mean of its divisors is an integer number (22777639236).

Almost surely, 2121479668038 is an apocalyptic number.

121479668038 is a deficient number, since it is larger than the sum of its proper divisors (60741445850).

121479668038 is a wasteful number, since it uses less digits than its factorization.

121479668038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537278.

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 121479668038 in words is "one hundred twenty-one billion, four hundred seventy-nine million, six hundred sixty-eight thousand, thirty-eight".

Divisors: 1 2 161743 323486 375533 751066 60739834019 121479668038