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121716071701 = 733152531753
BaseRepresentation
bin111000101011011010…
…1111101110100010101
3102122011121021002022121
41301112311331310111
53443233303243301
6131525433455541
711536144352620
oct1612665756425
9378147232277
10121716071701
114768a6051a4
121b70a5715b1
13b6298a0003
145c69212db7
1532759813a1
hex1c56d7dd15

121716071701 has 8 divisors (see below), whose sum is σ = 139524338624. Its totient is φ = 104012868960.

The previous prime is 121716071669. The next prime is 121716071713. The reversal of 121716071701 is 107170617121.

It is a happy number.

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

It is not a de Polignac number, because 121716071701 - 25 = 121716071669 is a prime.

It is a super-2 number, since 2×1217160717012 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121716071731) 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, 26263560 + ... + 26268193.

It is an arithmetic number, because the mean of its divisors is an integer number (17440542328).

Almost surely, 2121716071701 is an apocalyptic number.

It is an amenable number.

121716071701 is a deficient number, since it is larger than the sum of its proper divisors (17808266923).

121716071701 is an equidigital number, since it uses as much as digits as its factorization.

121716071701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52532091.

The product of its (nonzero) digits is 4116, while the sum is 34.

Adding to 121716071701 its reverse (107170617121), we get a palindrome (228886688822).

The spelling of 121716071701 in words is "one hundred twenty-one billion, seven hundred sixteen million, seventy-one thousand, seven hundred one".

Divisors: 1 7 331 2317 52531753 367722271 17388010243 121716071701