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2082700880 = 2451313115287
BaseRepresentation
bin111110000100011…
…0111111001010000
312101010222011111122
41330020313321100
513231132412010
6542355301412
7102416444141
oct17410677120
95333864448
102082700880
119796a2aa7
124a15aa868
13272641bb0
1415a865ac8
15c2c9b855
hex7c237e50

2082700880 has 80 divisors (see below), whose sum is σ = 5254913664. Its totient is φ = 763077120.

The previous prime is 2082700843. The next prime is 2082700883. The reversal of 2082700880 is 880072802.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 2082700880.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2082700883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128597 + ... + 143883.

Almost surely, 22082700880 is an apocalyptic number.

2082700880 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 2082700880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2627456832).

2082700880 is an abundant number, since it is smaller than the sum of its proper divisors (3172212784).

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

2082700880 is a wasteful number, since it uses less digits than its factorization.

2082700880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15444 (or 15438 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 35.

The square root of 2082700880 is about 45636.6177537293. The cubic root of 2082700880 is about 1277.0531329208.

The spelling of 2082700880 in words is "two billion, eighty-two million, seven hundred thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 131 208 260 262 520 524 655 1040 1048 1310 1703 2096 2620 3406 5240 6812 8515 10480 13624 15287 17030 27248 30574 34060 61148 68120 76435 122296 136240 152870 198731 244592 305740 397462 611480 794924 993655 1222960 1589848 1987310 2002597 3179696 3974620 4005194 7949240 8010388 10012985 15898480 16020776 20025970 26033761 32041552 40051940 52067522 80103880 104135044 130168805 160207760 208270088 260337610 416540176 520675220 1041350440 2082700880