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7830960889901 = 109144223498143
BaseRepresentation
bin111000111110100100110…
…1001000110000000101101
31000201122002010110212212212
41301331021221012000231
52011300301441434101
624353254353140205
71435524340201322
oct161751151060055
930648063425785
107830960889901
11254a1012a6956
12a65838b5a665
1344a5c1a627a6
141d1040492b49
15d8a7bb731bb
hex71f49a4602d

7830960889901 has 8 divisors (see below), whose sum is σ = 7902875228160. Its totient is φ = 7759047836592.

The previous prime is 7830960889889. The next prime is 7830960889951. The reversal of 7830960889901 is 1099880690387.

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 7830960889901 - 214 = 7830960873517 is a prime.

It is a super-2 number, since 2×78309608899012 (a number of 27 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 (7830960889951) 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, 15471236 + ... + 15969378.

It is an arithmetic number, because the mean of its divisors is an integer number (987859403520).

Almost surely, 27830960889901 is an apocalyptic number.

It is an amenable number.

7830960889901 is a deficient number, since it is larger than the sum of its proper divisors (71914338259).

7830960889901 is a wasteful number, since it uses less digits than its factorization.

7830960889901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642475.

The product of its (nonzero) digits is 47029248, while the sum is 68.

The spelling of 7830960889901 in words is "seven trillion, eight hundred thirty billion, nine hundred sixty million, eight hundred eighty-nine thousand, nine hundred one".

Divisors: 1 109 144223 498143 15720307 54297587 71843677889 7830960889901