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84002990155 = 572400085433
BaseRepresentation
bin100111000111011110…
…1111110100001001011
322000211022110001011121
41032032331332201023
52334014231141110
6102331311340111
76032446430560
oct1161675764113
9260738401147
1084002990155
1132697552907
1214344521637
137bc9562546
1440cc66a867
1522b9b34cda
hex138ef7e84b

84002990155 has 8 divisors (see below), whose sum is σ = 115204100832. Its totient is φ = 57602050368.

The previous prime is 84002990119. The next prime is 84002990213. The reversal of 84002990155 is 55109920048.

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

It is a cyclic number.

It is not a de Polignac number, because 84002990155 - 211 = 84002988107 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1200042682 + ... + 1200042751.

It is an arithmetic number, because the mean of its divisors is an integer number (14400512604).

Almost surely, 284002990155 is an apocalyptic number.

84002990155 is a deficient number, since it is larger than the sum of its proper divisors (31201110677).

84002990155 is a wasteful number, since it uses less digits than its factorization.

84002990155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2400085445.

The product of its (nonzero) digits is 129600, while the sum is 43.

The spelling of 84002990155 in words is "eighty-four billion, two million, nine hundred ninety thousand, one hundred fifty-five".

Divisors: 1 5 7 35 2400085433 12000427165 16800598031 84002990155