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1079664089487 = 3853421908593
BaseRepresentation
bin11111011011000001111…
…11101001100110001111
310211012210122110110212220
433231200333221212033
5120142123001330422
62143554004230423
7141001040224464
oct17554077514617
93735718413786
101079664089487
11386979260485
121552b539b413
137aa7293b529
143a38274166b
151d1404d0e5c
hexfb60fe998f

1079664089487 has 8 divisors (see below), whose sum is σ = 1441239757104. Its totient is φ = 718932240768.

The previous prime is 1079664089419. The next prime is 1079664089489. The reversal of 1079664089487 is 7849804669701.

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

It is a de Polignac number, because none of the positive numbers 2k-1079664089487 is a prime.

It is a super-2 number, since 2×10796640894872 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1079664089489) 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, 210951738 + ... + 210956855.

It is an arithmetic number, because the mean of its divisors is an integer number (180154969638).

Almost surely, 21079664089487 is an apocalyptic number.

1079664089487 is a deficient number, since it is larger than the sum of its proper divisors (361575667617).

1079664089487 is an equidigital number, since it uses as much as digits as its factorization.

1079664089487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421909449.

The product of its (nonzero) digits is 146313216, while the sum is 69.

The spelling of 1079664089487 in words is "one trillion, seventy-nine billion, six hundred sixty-four million, eighty-nine thousand, four hundred eighty-seven".

Divisors: 1 3 853 2559 421908593 1265725779 359888029829 1079664089487