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61844065077295 = 5234312506383231
BaseRepresentation
bin11100000111111001100011…
…00001111100100000101111
322002222020100020011112122201
432003330301201330200233
531101223121124433140
6335310434332522331
716012041404445544
oct1603746141744057
9262866306145581
1061844065077295
1118783a14512546
126b299643203a7
132867b41101617
14113b3a9526bcb
15723a8ce2049a
hex383f3187c82f

61844065077295 has 16 divisors (see below), whose sum is σ = 79240444157952. Its totient is φ = 46223592418080.

The previous prime is 61844065077259. The next prime is 61844065077371. The reversal of 61844065077295 is 59277056044816.

It is a de Polignac number, because none of the positive numbers 2k-61844065077295 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6253186671 + ... + 6253196560.

It is an arithmetic number, because the mean of its divisors is an integer number (4952527759872).

Almost surely, 261844065077295 is an apocalyptic number.

61844065077295 is a deficient number, since it is larger than the sum of its proper divisors (17396379080657).

61844065077295 is a wasteful number, since it uses less digits than its factorization.

61844065077295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12506383302.

The product of its (nonzero) digits is 101606400, while the sum is 64.

The spelling of 61844065077295 in words is "sixty-one trillion, eight hundred forty-four billion, sixty-five million, seventy-seven thousand, two hundred ninety-five".

Divisors: 1 5 23 43 115 215 989 4945 12506383231 62531916155 287646814313 537774478933 1438234071565 2688872394665 12368813015459 61844065077295