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61051005600055 = 549124868026721
BaseRepresentation
bin11011110000110100010111…
…00000001000000100110111
322000011102022112211220000121
431320122023200020010313
531000224424413200210
6333502240023552411
715600534555224002
oct1570321340100467
9260142275756017
1061051005600055
11184a864a079279
126a201162bb707
13280b115034b63
141110c54c78539
1570d1240e96da
hex37868b808137

61051005600055 has 8 divisors (see below), whose sum is σ = 73410414883344. Its totient is φ = 48741332371200.

The previous prime is 61051005600047. The next prime is 61051005600059. The reversal of 61051005600055 is 55000650015016.

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

It is not a de Polignac number, because 61051005600055 - 23 = 61051005600047 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 (61051005600059) 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, 12434010906 + ... + 12434015815.

It is an arithmetic number, because the mean of its divisors is an integer number (9176301860418).

Almost surely, 261051005600055 is an apocalyptic number.

61051005600055 is a deficient number, since it is larger than the sum of its proper divisors (12359409283289).

61051005600055 is a wasteful number, since it uses less digits than its factorization.

61051005600055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24868027217.

The product of its (nonzero) digits is 22500, while the sum is 34.

The spelling of 61051005600055 in words is "sixty-one trillion, fifty-one billion, five million, six hundred thousand, fifty-five".

Divisors: 1 5 491 2455 24868026721 124340133605 12210201120011 61051005600055