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2078912902 = 21194496041
BaseRepresentation
bin111101111101001…
…1011000110000110
312100212211201101011
41323322123012012
513224200203102
6542142152434
7102342316363
oct17372330606
95325751334
102078912902
11977546040
124a028271a
132719169a1
1415a15b46a
15c279e2d7
hex7be9b186

2078912902 has 8 divisors (see below), whose sum is σ = 3401857512. Its totient is φ = 944960400.

The previous prime is 2078912851. The next prime is 2078912903. The reversal of 2078912902 is 2092198702.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2078912903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47247999 + ... + 47248042.

It is an arithmetic number, because the mean of its divisors is an integer number (425232189).

Almost surely, 22078912902 is an apocalyptic number.

2078912902 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2078912902 is a deficient number, since it is larger than the sum of its proper divisors (1322944610).

2078912902 is a wasteful number, since it uses less digits than its factorization.

2078912902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94496054.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 2078912902 is about 45595.0973460963. The cubic root of 2078912902 is about 1276.2784361572.

The spelling of 2078912902 in words is "two billion, seventy-eight million, nine hundred twelve thousand, nine hundred two".

Divisors: 1 2 11 22 94496041 188992082 1039456451 2078912902