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302130213100 = 225211333180777
BaseRepresentation
bin1000110010110000101…
…11010011000011101100
31001212211222022001202121
410121120113103003230
514422230313304400
6350444031002324
730554032303222
oct4313027230354
91055758261677
10302130213100
111071506a09a1
124a67a9693a4
132264c267731
14108a2014b12
157cd46e321a
hex46585d30ec

302130213100 has 72 divisors (see below), whose sum is σ = 663431006448. Its totient is φ = 119419238400.

The previous prime is 302130213031. The next prime is 302130213113. The reversal of 302130213100 is 1312031203.

It is a super-2 number, since 2×3021302131002 (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3699912 + ... + 3780688.

It is an arithmetic number, because the mean of its divisors is an integer number (9214319534).

Almost surely, 2302130213100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 302130213100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331715503224).

302130213100 is an abundant number, since it is smaller than the sum of its proper divisors (361300793348).

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

302130213100 is a wasteful number, since it uses less digits than its factorization.

302130213100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81235 (or 81228 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 302130213100 its reverse (1312031203), we get a palindrome (303442244303).

The spelling of 302130213100 in words is "three hundred two billion, one hundred thirty million, two hundred thirteen thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 113 226 331 452 565 662 1130 1324 1655 2260 2825 3310 5650 6620 8275 11300 16550 33100 37403 74806 80777 149612 161554 187015 323108 374030 403885 748060 807770 935075 1615540 1870150 2019425 3740300 4038850 8077700 9127801 18255602 26737187 36511204 45639005 53474374 91278010 106948748 133685935 182556020 228195025 267371870 456390050 534743740 668429675 912780100 1336859350 2673718700 3021302131 6042604262 12085208524 15106510655 30213021310 60426042620 75532553275 151065106550 302130213100