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60779379449 = 4112433119233
BaseRepresentation
bin111000100110101110…
…111011101011111001
312210212211010101100202
4320212232323223321
51443434010120244
643531025011545
74251112125665
oct704656735371
9183784111322
1060779379449
112385a414408
12b942a83bb5
135968070369
142d281b18a5
1518aada504e
hexe26bbbaf9

60779379449 has 8 divisors (see below), whose sum is σ = 62267333352. Its totient is φ = 59291688960.

The previous prime is 60779379443. The next prime is 60779379469. The reversal of 60779379449 is 94497397706.

It can be written as a sum of positive squares in 4 ways, for example, as 5103673600 + 55675705849 = 71440^2 + 235957^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-60779379449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (60779379443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450137 + ... + 569369.

It is an arithmetic number, because the mean of its divisors is an integer number (7783416669).

Almost surely, 260779379449 is an apocalyptic number.

It is an amenable number.

60779379449 is a deficient number, since it is larger than the sum of its proper divisors (1487953903).

60779379449 is a wasteful number, since it uses less digits than its factorization.

60779379449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131707.

The product of its (nonzero) digits is 72013536, while the sum is 65.

The spelling of 60779379449 in words is "sixty billion, seven hundred seventy-nine million, three hundred seventy-nine thousand, four hundred forty-nine".

Divisors: 1 41 12433 119233 509753 4888553 1482423889 60779379449