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61160142577501 = 112505455723781
BaseRepresentation
bin11011110011111111101001…
…00100101001111101011101
322000112212000111022210000101
431321333310210221331131
531004021432444440001
6334024325344101101
715611450230224502
oct1571776444517535
9260485014283011
1061160142577501
111853a964052800
126a392b4004791
1328184b87b4216
1411162495a94a9
15710db056ba01
hex379ff4929f5d

61160142577501 has 6 divisors (see below), whose sum is σ = 67225611263006. Its totient is φ = 55600129615800.

The previous prime is 61160142577483. The next prime is 61160142577537. The reversal of 61160142577501 is 10577524106116.

It can be written as a sum of positive squares in only one way, i.e., 35839068257476 + 25321074320025 = 5986574^2 + 5032005^2 .

It is not a de Polignac number, because 61160142577501 - 221 = 61160140480349 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 (61160142577591) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 252727861770 + ... + 252727862011.

Almost surely, 261160142577501 is an apocalyptic number.

It is an amenable number.

61160142577501 is a deficient number, since it is larger than the sum of its proper divisors (6065468685505).

61160142577501 is a wasteful number, since it uses less digits than its factorization.

61160142577501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505455723803 (or 505455723792 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 46.

The spelling of 61160142577501 in words is "sixty-one trillion, one hundred sixty billion, one hundred forty-two million, five hundred seventy-seven thousand, five hundred one".