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2050642520 = 23551266063
BaseRepresentation
bin111101000111010…
…0101001001011000
312021220122102200222
41322032211021120
513144431030040
6535252215212
7101550113423
oct17216451130
95256572628
102050642520
11962597093
1249290a508
13268ac9054
141564bc9ba
15c0067bb5
hex7a3a5258

2050642520 has 16 divisors (see below), whose sum is σ = 4613945760. Its totient is φ = 820256992.

The previous prime is 2050642439. The next prime is 2050642537. The reversal of 2050642520 is 252460502.

It is a self number, because there is not a number n which added to its sum of digits gives 2050642520.

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, 25632992 + ... + 25633071.

It is an arithmetic number, because the mean of its divisors is an integer number (288371610).

Almost surely, 22050642520 is an apocalyptic number.

2050642520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2050642520 is an abundant number, since it is smaller than the sum of its proper divisors (2563303240).

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

2050642520 is a wasteful number, since it uses less digits than its factorization.

2050642520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51266074 (or 51266070 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 2050642520 is about 45284.0205812161. The cubic root of 2050642520 is about 1270.4667968054.

The spelling of 2050642520 in words is "two billion, fifty million, six hundred forty-two thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 51266063 102532126 205064252 256330315 410128504 512660630 1025321260 2050642520