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121601136073 = 791780786441
BaseRepresentation
bin111000100111111111…
…1100001010111001001
3102121212120222202021111
41301033333201113021
53443014342323243
6131510210210321
711533250413414
oct1611777412711
9377776882244
10121601136073
114763074237a
121b697b839a1
13b60bb2a271
145c57c54b7b
15326a82b39d
hex1c4ffe15c9

121601136073 has 8 divisors (see below), whose sum is σ = 123148730880. Its totient is φ = 120053749920.

The previous prime is 121601136049. The next prime is 121601136079. The reversal of 121601136073 is 370631106121.

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

It is a cyclic number.

It is not a de Polignac number, because 121601136073 - 213 = 121601127881 is a prime.

It is a super-2 number, since 2×1216011360732 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121601136079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1363533 + ... + 1449973.

It is an arithmetic number, because the mean of its divisors is an integer number (15393591360).

Almost surely, 2121601136073 is an apocalyptic number.

It is an amenable number.

121601136073 is a deficient number, since it is larger than the sum of its proper divisors (1547594807).

121601136073 is an equidigital number, since it uses as much as digits as its factorization.

121601136073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104327.

The product of its (nonzero) digits is 4536, while the sum is 31.

The spelling of 121601136073 in words is "one hundred twenty-one billion, six hundred one million, one hundred thirty-six thousand, seventy-three".

Divisors: 1 79 17807 86441 1406753 6828839 1539254887 121601136073