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2055975880 = 23572928731
BaseRepresentation
bin111101010001011…
…1011001111001000
312022021200101200211
41322202323033020
513202312212010
6540002410504
7101643335530
oct17242731710
95267611624
102055975880
119655aa122
12494660a34
13269c4579a
141570aa4c0
15c076d08a
hex7a8bb3c8

2055975880 has 96 divisors (see below), whose sum is σ = 5476011840. Its totient is φ = 680520960.

The previous prime is 2055975811. The next prime is 2055975907. The reversal of 2055975880 is 885795502.

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 23 ways as a sum of consecutive naturals, for example, 231115 + ... + 239845.

It is an arithmetic number, because the mean of its divisors is an integer number (57041790).

Almost surely, 22055975880 is an apocalyptic number.

2055975880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2055975880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2738005920).

2055975880 is an abundant number, since it is smaller than the sum of its proper divisors (3420035960).

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

2055975880 is a wasteful number, since it uses less digits than its factorization.

2055975880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8807 (or 8774 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 49.

The square root of 2055975880 is about 45342.8702223404. The cubic root of 2055975880 is about 1271.5672634367.

The spelling of 2055975880 in words is "two billion, fifty-five million, nine hundred seventy-five thousand, eight hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 20 28 29 35 40 56 58 70 116 140 145 203 232 280 290 406 580 812 841 1015 1160 1624 1682 2030 3364 4060 4205 5887 6728 8120 8410 8731 11774 16820 17462 23548 29435 33640 34924 43655 47096 58870 61117 69848 87310 117740 122234 174620 235480 244468 253199 305585 349240 488936 506398 611170 1012796 1222340 1265995 1772393 2025592 2444680 2531990 3544786 5063980 7089572 7342771 8861965 10127960 14179144 14685542 17723930 29371084 35447860 36713855 51399397 58742168 70895720 73427710 102798794 146855420 205597588 256996985 293710840 411195176 513993970 1027987940 2055975880