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55770139862 = 2175991584469
BaseRepresentation
bin110011111100001010…
…001100110011010110
312022221201100122110122
4303330022030303112
51403204123433422
641342003351542
74013015236643
oct637412146326
9168851318418
1055770139862
1121719876588
12a9853825b2
13534a328078
1429b0bc6dca
1516b6225d42
hexcfc28ccd6

55770139862 has 8 divisors (see below), whose sum is σ = 83660016000. Its totient is φ = 27883467864.

The previous prime is 55770139829. The next prime is 55770139883. The reversal of 55770139862 is 26893107755.

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

It is a super-2 number, since 2×557701398622 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 757037 + ... + 827432.

It is an arithmetic number, because the mean of its divisors is an integer number (10457502000).

Almost surely, 255770139862 is an apocalyptic number.

55770139862 is a deficient number, since it is larger than the sum of its proper divisors (27889876138).

55770139862 is a wasteful number, since it uses less digits than its factorization.

55770139862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1602070.

The product of its (nonzero) digits is 3175200, while the sum is 53.

The spelling of 55770139862 in words is "fifty-five billion, seven hundred seventy million, one hundred thirty-nine thousand, eight hundred sixty-two".

Divisors: 1 2 17599 35198 1584469 3168938 27885069931 55770139862