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2100214242 = 2327197211401
BaseRepresentation
bin111110100101110…
…1011100111100010
312102100220221022200
41331023223213202
513300123323432
6544222514030
7103021345410
oct17513534742
95370827280
102100214242
11988575055
124a7435916
13276164529
1415cd042b0
15c45aaa7c
hex7d2eb9e2

2100214242 has 96 divisors (see below), whose sum is σ = 5264797824. Its totient is φ = 592704000.

The previous prime is 2100214231. The next prime is 2100214253. The reversal of 2100214242 is 2424120012.

2100214242 is a `hidden beast` number, since 210 + 0 + 214 + 242 = 666.

It is an interprime number because it is at equal distance from previous prime (2100214231) and next prime (2100214253).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5237242 + ... + 5237642.

It is an arithmetic number, because the mean of its divisors is an integer number (54841644).

Almost surely, 22100214242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2100214242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2632398912).

2100214242 is an abundant number, since it is smaller than the sum of its proper divisors (3164583582).

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

2100214242 is a wasteful number, since it uses less digits than its factorization.

2100214242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824 (or 821 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 2100214242 is about 45828.0944618037. The cubic root of 2100214242 is about 1280.6227117355.

Adding to 2100214242 its reverse (2424120012), we get a palindrome (4524334254).

The spelling of 2100214242 in words is "two billion, one hundred million, two hundred fourteen thousand, two hundred forty-two".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 197 211 394 401 422 591 633 802 1182 1203 1266 1379 1477 1773 1899 2406 2758 2807 2954 3546 3609 3798 4137 4431 5614 7218 8274 8421 8862 12411 13293 16842 24822 25263 26586 41567 50526 78997 83134 84611 124701 157994 169222 236991 249402 253833 290969 374103 473982 507666 552979 581938 592277 710973 748206 761499 872907 1105958 1184554 1421946 1522998 1658937 1745814 1776831 2618721 3317874 3553662 4976811 5237442 5330493 9953622 10660986 16668367 33336734 50005101 100010202 116678569 150015303 233357138 300030606 350035707 700071414 1050107121 2100214242