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2151092300 = 225276614649
BaseRepresentation
bin1000000000110111…
…0001000001001100
312112220122210220012
42000031301001030
513401134423200
6553241212352
7104206661060
oct20015610114
95486583805
102151092300
11a04265535
125004910b8
132838694a6
14165989aa0
15c8caaa35
hex8037104c

2151092300 has 72 divisors (see below), whose sum is σ = 5343928800. Its totient is φ = 736243200.

The previous prime is 2151092299. The next prime is 2151092309. The reversal of 2151092300 is 32901512.

It is not an unprimeable number, because it can be changed into a prime (2151092309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 460376 + ... + 465024.

Almost surely, 22151092300 is an apocalyptic number.

2151092300 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 2151092300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2671964400).

2151092300 is an abundant number, since it is smaller than the sum of its proper divisors (3192836500).

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

2151092300 is a wasteful number, since it uses less digits than its factorization.

2151092300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5331 (or 5324 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 2151092300 is about 46379.8695556596. The cubic root of 2151092300 is about 1290.8814159276.

Adding to 2151092300 its reverse (32901512), we get a palindrome (2183993812).

The spelling of 2151092300 in words is "two billion, one hundred fifty-one million, ninety-two thousand, three hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 140 175 350 661 700 1322 2644 3305 4627 4649 6610 9254 9298 13220 16525 18508 18596 23135 23245 32543 33050 46270 46490 65086 66100 92540 92980 115675 116225 130172 162715 231350 232450 325430 462700 464900 650860 813575 1627150 3072989 3254300 6145978 12291956 15364945 21510923 30729890 43021846 61459780 76824725 86043692 107554615 153649450 215109230 307298900 430218460 537773075 1075546150 2151092300