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2078878054 = 21194494457
BaseRepresentation
bin111101111101001…
…0010100101100110
312100212202221120111
41323322102211212
513224143044204
6542141323234
7102342112651
oct17372224546
95325687514
102078878054
11977521940
124a026651a
13271903b76
1415a14c898
15c2793d04
hex7be92966

2078878054 has 8 divisors (see below), whose sum is σ = 3401800488. Its totient is φ = 944944560.

The previous prime is 2078878033. The next prime is 2078878093. The reversal of 2078878054 is 4508788702.

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

It is a junction number, because it is equal to n+sod(n) for n = 2078877989 and 2078878007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47247207 + ... + 47247250.

It is an arithmetic number, because the mean of its divisors is an integer number (425225061).

Almost surely, 22078878054 is an apocalyptic number.

2078878054 is a deficient number, since it is larger than the sum of its proper divisors (1322922434).

2078878054 is a wasteful number, since it uses less digits than its factorization.

2078878054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94494470.

The product of its (nonzero) digits is 1003520, while the sum is 49.

The square root of 2078878054 is about 45594.7151981455. The cubic root of 2078878054 is about 1276.2713048661.

The spelling of 2078878054 in words is "two billion, seventy-eight million, eight hundred seventy-eight thousand, fifty-four".

Divisors: 1 2 11 22 94494457 188988914 1039439027 2078878054