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7001106056221 = 171381298211273
BaseRepresentation
bin110010111100001001001…
…1100001000010000011101
3220210022002010012110021111
41211320102130020100131
51404201231122244341
622520132544102021
71321545635406004
oct145702234102035
926708063173244
107001106056221
11225a1749397a2
12950a40304911
133ba280819a74
141a2bd90adc3b
15c21ac87e681
hex65e1270841d

7001106056221 has 8 divisors (see below), whose sum is σ = 7418303652024. Its totient is φ = 6584504885760.

The previous prime is 7001106056207. The next prime is 7001106056233. The reversal of 7001106056221 is 1226506011007.

It can be written as a sum of positive squares in 4 ways, for example, as 166044840196 + 6835061216025 = 407486^2 + 2614395^2 .

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 7001106056221 - 233 = 6992516121629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7001106056251) 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, 149082160 + ... + 149129113.

It is an arithmetic number, because the mean of its divisors is an integer number (927287956503).

Almost surely, 27001106056221 is an apocalyptic number.

It is an amenable number.

7001106056221 is a deficient number, since it is larger than the sum of its proper divisors (417197595803).

7001106056221 is a wasteful number, since it uses less digits than its factorization.

7001106056221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298212671.

The product of its (nonzero) digits is 5040, while the sum is 31.

The spelling of 7001106056221 in words is "seven trillion, one billion, one hundred six million, fifty-six thousand, two hundred twenty-one".

Divisors: 1 17 1381 23477 298211273 5069591641 411829768013 7001106056221