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2051010620 = 225946310837
BaseRepresentation
bin111101000111111…
…1111000000111100
312021221100010122022
41322033333000330
513200024314440
6535304135312
7101553205541
oct17217770074
95257303568
102051010620
119628186aa
12492a67538
13268bc7769
14156576bc8
15c00dbcb5
hex7a3ff03c

2051010620 has 24 divisors (see below), whose sum is σ = 4307974944. Its totient is φ = 820241856.

The previous prime is 2051010551. The next prime is 2051010649. The reversal of 2051010620 is 260101502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183842 + ... + 194678.

It is an arithmetic number, because the mean of its divisors is an integer number (179498956).

Almost surely, 22051010620 is an apocalyptic number.

2051010620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2051010620 is an abundant number, since it is smaller than the sum of its proper divisors (2256964324).

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

2051010620 is a wasteful number, since it uses less digits than its factorization.

2051010620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20309 (or 20307 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 2051010620 is about 45288.0847464319. The cubic root of 2051010620 is about 1270.5428105171.

The spelling of 2051010620 in words is "two billion, fifty-one million, ten thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 9463 10837 18926 21674 37852 43348 47315 54185 94630 108370 189260 216740 102550531 205101062 410202124 512752655 1025505310 2051010620