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2130056670 = 2357291013463
BaseRepresentation
bin111111011110110…
…0001010111011110
312111110002002102210
41332331201113132
513330243303140
6551210301250
7103533116520
oct17675412736
95443062383
102130056670
119a33a8115
124b5427826
1327c3b2881
14162c71a10
15c7002d80
hex7ef615de

2130056670 has 128 divisors (see below), whose sum is σ = 6105507840. Its totient is φ = 465292800.

The previous prime is 2130056653. The next prime is 2130056741. The reversal of 2130056670 is 766500312.

It is a super-2 number, since 2×21300566702 = 9074282834822977800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 613359 + ... + 616821.

It is an arithmetic number, because the mean of its divisors is an integer number (47699280).

Almost surely, 22130056670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2130056670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3052753920).

2130056670 is an abundant number, since it is smaller than the sum of its proper divisors (3975451170).

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

2130056670 is a wasteful number, since it uses less digits than its factorization.

2130056670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3610.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 2130056670 is about 46152.5369833555. The cubic root of 2130056670 is about 1286.6597618208.

Adding to 2130056670 its reverse (766500312), we get a palindrome (2896556982).

The spelling of 2130056670 in words is "two billion, one hundred thirty million, fifty-six thousand, six hundred seventy".

Divisors: 1 2 3 5 6 7 10 14 15 21 29 30 35 42 58 70 87 101 105 145 174 202 203 210 290 303 406 435 505 606 609 707 870 1010 1015 1218 1414 1515 2030 2121 2929 3030 3045 3463 3535 4242 5858 6090 6926 7070 8787 10389 10605 14645 17315 17574 20503 20778 21210 24241 29290 34630 41006 43935 48482 51945 61509 72723 87870 100427 102515 103890 121205 123018 145446 200854 205030 242410 301281 307545 349763 363615 502135 602562 615090 699526 702989 727230 1004270 1049289 1405978 1506405 1748815 2098578 2108967 2448341 3012810 3497630 3514945 4217934 4896682 5246445 7029890 7345023 10143127 10492890 10544835 12241705 14690046 20286254 21089670 24483410 30429381 36725115 50715635 60858762 71001889 73450230 101431270 142003778 152146905 213005667 304293810 355009445 426011334 710018890 1065028335 2130056670