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2087763320 = 2351913919763
BaseRepresentation
bin111110001110000…
…1011110101111000
312101111111100212102
41330130023311320
513233431411240
6543100002532
7102510460346
oct17434136570
95344440772
102087763320
11981540535
124a3230448
132736c5216
1415b3c2996
15c344b815
hex7c70bd78

2087763320 has 64 divisors (see below), whose sum is σ = 4980528000. Its totient is φ = 785420928.

The previous prime is 2087763317. The next prime is 2087763367. The reversal of 2087763320 is 233677802.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95759 + ... + 115521.

It is an arithmetic number, because the mean of its divisors is an integer number (77820750).

Almost surely, 22087763320 is an apocalyptic number.

2087763320 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 2087763320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2490264000).

2087763320 is an abundant number, since it is smaller than the sum of its proper divisors (2892764680).

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

2087763320 is a wasteful number, since it uses less digits than its factorization.

2087763320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19932 (or 19928 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 2087763320 is about 45692.0487612451. The cubic root of 2087763320 is about 1278.0870105817.

The spelling of 2087763320 in words is "two billion, eighty-seven million, seven hundred sixty-three thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 19 20 38 40 76 95 139 152 190 278 380 556 695 760 1112 1390 2641 2780 5282 5560 10564 13205 19763 21128 26410 39526 52820 79052 98815 105640 158104 197630 375497 395260 750994 790520 1501988 1877485 2747057 3003976 3754970 5494114 7509940 10988228 13735285 15019880 21976456 27470570 52194083 54941140 104388166 109882280 208776332 260970415 417552664 521940830 1043881660 2087763320