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121793620593 = 3643226727851
BaseRepresentation
bin111000101101101110…
…1110010101001110001
3102122101000011222101210
41301123131302221301
53443413131324333
6131541243550333
711541105456651
oct1613335625161
9378330158353
10121793620593
114771a361897
121b73052b3a9
13b63c982828
145c7563c361
15327c69da63
hex1c5b772a71

121793620593 has 16 divisors (see below), whose sum is σ = 162721633536. Its totient is φ = 81030800400.

The previous prime is 121793620579. The next prime is 121793620603. The reversal of 121793620593 is 395026397121.

It is not a de Polignac number, because 121793620593 - 222 = 121789426289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121793620513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4359118 + ... + 4386968.

It is an arithmetic number, because the mean of its divisors is an integer number (10170102096).

Almost surely, 2121793620593 is an apocalyptic number.

It is an amenable number.

121793620593 is a deficient number, since it is larger than the sum of its proper divisors (40928012943).

121793620593 is a wasteful number, since it uses less digits than its factorization.

121793620593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30764.

The product of its (nonzero) digits is 612360, while the sum is 48.

The spelling of 121793620593 in words is "one hundred twenty-one billion, seven hundred ninety-three million, six hundred twenty thousand, five hundred ninety-three".

Divisors: 1 3 643 1929 2267 6801 27851 83553 1457681 4373043 17908193 53724579 63138217 189414651 40597873531 121793620593