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2010053988 = 223318611611
BaseRepresentation
bin111011111001110…
…1111110101100100
312012002021022201000
41313303233311210
513104033211423
6531242233300
7100545114465
oct16763576544
95162238630
102010053988
11941694348
124811b5830
13260587677
14150d54d6c
15bb6eb843
hex77cefd64

2010053988 has 24 divisors (see below), whose sum is σ = 5211251360. Its totient is φ = 670017960.

The previous prime is 2010053863. The next prime is 2010053989. The reversal of 2010053988 is 8893500102.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2010053989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9305698 + ... + 9305913.

Almost surely, 22010053988 is an apocalyptic number.

It is an amenable number.

2010053988 is an abundant number, since it is smaller than the sum of its proper divisors (3201197372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2010053988 is a wasteful number, since it uses less digits than its factorization.

2010053988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18611624 (or 18611616 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 2010053988 is about 44833.6256396915. The cubic root of 2010053988 is about 1262.0287272560.

It can be divided in two parts, 20100 and 53988, that added together give a cube (74088 = 423).

The spelling of 2010053988 in words is "two billion, ten million, fifty-three thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 18611611 37223222 55834833 74446444 111669666 167504499 223339332 335008998 502513497 670017996 1005026994 2010053988