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215119130 = 251091511307
BaseRepresentation
bin11001101001001…
…11010100011010
3112222210011222012
430310213110122
5420032303010
633202425522
75221324322
oct1464472432
9488704865
10215119130
1110047a206
12600622a2
133574bc35
14207da282
1513d44005
hexcd2751a

215119130 has 32 divisors (see below), whose sum is σ = 393655680. Its totient is φ = 84628800.

The previous prime is 215119081. The next prime is 215119183. The reversal of 215119130 is 31911512.

215119130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 215119096 and 215119105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163937 + ... + 165243.

It is an arithmetic number, because the mean of its divisors is an integer number (12301740).

Almost surely, 2215119130 is an apocalyptic number.

215119130 is a deficient number, since it is larger than the sum of its proper divisors (178536550).

215119130 is a wasteful number, since it uses less digits than its factorization.

215119130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574.

The product of its (nonzero) digits is 270, while the sum is 23.

The square root of 215119130 is about 14666.9400353312. The cubic root of 215119130 is about 599.1832683832.

The spelling of 215119130 in words is "two hundred fifteen million, one hundred nineteen thousand, one hundred thirty".

Divisors: 1 2 5 10 109 151 218 302 545 755 1090 1307 1510 2614 6535 13070 16459 32918 82295 142463 164590 197357 284926 394714 712315 986785 1424630 1973570 21511913 43023826 107559565 215119130