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4215008990 = 25505183449
BaseRepresentation
bin1111101100111011…
…1110111011011110
3101212202021122100002
43323032332323132
532113020241430
61534130134302
7206310661643
oct37316767336
911782248302
104215008990
111873298705
12997721392
1352233247a
142bdb21dca
1519a096845
hexfb3beede

4215008990 has 16 divisors (see below), whose sum is σ = 7588609200. Its totient is φ = 1685649600.

The previous prime is 4215008983. The next prime is 4215009041. The reversal of 4215008990 is 998005124.

It is a super-3 number, since 3×42150089903 (a number of 30 digits) contains 333 as substring.

It is a congruent 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, 8786 + ... + 92234.

It is an arithmetic number, because the mean of its divisors is an integer number (474288075).

Almost surely, 24215008990 is an apocalyptic number.

4215008990 is a deficient number, since it is larger than the sum of its proper divisors (3373600210).

4215008990 is a wasteful number, since it uses less digits than its factorization.

4215008990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88507.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 4215008990 is about 64923.1005883114. The cubic root of 4215008990 is about 1615.3482607686.

The spelling of 4215008990 in words is "four billion, two hundred fifteen million, eight thousand, nine hundred ninety".

Divisors: 1 2 5 10 5051 10102 25255 50510 83449 166898 417245 834490 421500899 843001798 2107504495 4215008990