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130301778 = 2321716963
BaseRepresentation
bin1111100010000…
…11111101010010
3100002012000102210
413301003331102
5231324124103
620532452550
73141355365
oct761037522
9302160383
10130301778
1167608722
123777a156
1320cc2c59
141343c0dc
15b68ce03
hex7c43f52

130301778 has 8 divisors (see below), whose sum is σ = 260603568. Its totient is φ = 43433924.

The previous prime is 130301777. The next prime is 130301803. The reversal of 130301778 is 877103031.

It is a sphenic number, since it is the product of 3 distinct primes.

130301778 is an admirable number.

It is a super-2 number, since 2×1303017782 = 33957106699922568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (130301777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10858476 + ... + 10858487.

It is an arithmetic number, because the mean of its divisors is an integer number (32575446).

Almost surely, 2130301778 is an apocalyptic number.

130301778 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

130301778 is a wasteful number, since it uses less digits than its factorization.

130301778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21716968.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 130301778 is about 11414.9804204826. The cubic root of 130301778 is about 506.9713851634.

The spelling of 130301778 in words is "one hundred thirty million, three hundred one thousand, seven hundred seventy-eight".

Divisors: 1 2 3 6 21716963 43433926 65150889 130301778