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2056064980 = 225710914461
BaseRepresentation
bin111101010001101…
…0000111111010100
312022021211220220211
41322203100333110
513202323034410
6540004335204
7101644156354
oct17243207724
95267756824
102056064980
11965660062
124946a4504
13269c771c8
141570d0b64
15c078968a
hex7a8d0fd4

2056064980 has 24 divisors (see below), whose sum is σ = 4318642440. Its totient is φ = 822253440.

The previous prime is 2056064977. The next prime is 2056065023. The reversal of 2056064980 is 894606502.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 50637456 + 2005427524 = 7116^2 + 44782^2 .

It is a super-3 number, since 3×20560649803 (a number of 29 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134950 + ... + 149410.

It is an arithmetic number, because the mean of its divisors is an integer number (179943435).

Almost surely, 22056064980 is an apocalyptic number.

2056064980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2056064980 is an abundant number, since it is smaller than the sum of its proper divisors (2262577460).

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

2056064980 is a wasteful number, since it uses less digits than its factorization.

2056064980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21579 (or 21577 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 2056064980 is about 45343.8527255900. The cubic root of 2056064980 is about 1271.5856318440.

The spelling of 2056064980 in words is "two billion, fifty-six million, sixty-four thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 7109 14218 14461 28436 28922 35545 57844 71090 72305 142180 144610 289220 102803249 205606498 411212996 514016245 1028032490 2056064980