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65055061655 = 550021260111
BaseRepresentation
bin111100100101100101…
…010111011010010111
320012220210120112200222
4330211211113122113
52031213043433110
645515203424555
74462060620533
oct744545273227
9205823515628
1065055061655
1125653982771
121073698515b
136199b2702c
143211da8bc3
151a5b433c55
hexf25957697

65055061655 has 8 divisors (see below), whose sum is σ = 78067934784. Its totient is φ = 52042808800.

The previous prime is 65055061651. The next prime is 65055061691. The reversal of 65055061655 is 55616055056.

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

It is not a de Polignac number, because 65055061655 - 22 = 65055061651 is a prime.

It is a super-2 number, since 2×650550616552 (a number of 22 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 (65055061651) 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, 120050 + ... + 380160.

It is an arithmetic number, because the mean of its divisors is an integer number (9758491848).

Almost surely, 265055061655 is an apocalyptic number.

65055061655 is a deficient number, since it is larger than the sum of its proper divisors (13012873129).

65055061655 is a wasteful number, since it uses less digits than its factorization.

65055061655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310137.

The product of its (nonzero) digits is 675000, while the sum is 44.

The spelling of 65055061655 in words is "sixty-five billion, fifty-five million, sixty-one thousand, six hundred fifty-five".

Divisors: 1 5 50021 250105 260111 1300555 13011012331 65055061655