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2100350130 = 2353112717783
BaseRepresentation
bin111110100110000…
…1100110010110010
312102101011211201120
41331030030302302
513300142201010
6544225443110
7103022452524
oct17514146262
95371154646
102100350130
1198865815a
124a74a0496
132761b1338
1415cd3ba14
15c45d5e70
hex7d30ccb2

2100350130 has 64 divisors (see below), whose sum is σ = 5244715008. Its totient is φ = 537727680.

The previous prime is 2100350129. The next prime is 2100350137. The reversal of 2100350130 is 310530012.

It is a happy number.

It is a super-2 number, since 2×21003501302 = 8822941337182033800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2100350137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109219 + ... + 127001.

It is an arithmetic number, because the mean of its divisors is an integer number (81948672).

Almost surely, 22100350130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2100350130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2622357504).

2100350130 is an abundant number, since it is smaller than the sum of its proper divisors (3144364878).

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

2100350130 is a wasteful number, since it uses less digits than its factorization.

2100350130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17951.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 2100350130 is about 45829.5770218317. The cubic root of 2100350130 is about 1280.6503307441.

Adding to 2100350130 its reverse (310530012), we get a palindrome (2410880142).

The spelling of 2100350130 in words is "two billion, one hundred million, three hundred fifty thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 127 155 186 254 310 381 465 635 762 930 1270 1905 3810 3937 7874 11811 17783 19685 23622 35566 39370 53349 59055 88915 106698 118110 177830 266745 533490 551273 1102546 1653819 2258441 2756365 3307638 4516882 5512730 6775323 8269095 11292205 13550646 16538190 22584410 33876615 67753230 70011671 140023342 210035013 350058355 420070026 700116710 1050175065 2100350130