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7824140130 = 235565746103
BaseRepresentation
bin1110100100101101…
…01110011101100010
3202012021111111111210
413102112232131202
5112010434441010
63332214250550
7364614044112
oct72226563542
922167444453
107824140130
113355583314
121624356a56
13978c8b821
145431ab042
1530bd5db20
hex1d25ae762

7824140130 has 32 divisors (see below), whose sum is σ = 18781663104. Its totient is φ = 2086023296.

The previous prime is 7824140119. The next prime is 7824140141. The reversal of 7824140130 is 310414287.

It is an interprime number because it is at equal distance from previous prime (7824140119) and next prime (7824140141).

It is a super-2 number, since 2×78241401302 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 146659 + ... + 192761.

It is an arithmetic number, because the mean of its divisors is an integer number (586926972).

Almost surely, 27824140130 is an apocalyptic number.

7824140130 is an abundant number, since it is smaller than the sum of its proper divisors (10957522974).

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

7824140130 is a wasteful number, since it uses less digits than its factorization.

7824140130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51770.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 7824140130 is about 88454.1696586430. The cubic root of 7824140130 is about 1985.2362955149.

The spelling of 7824140130 in words is "seven billion, eight hundred twenty-four million, one hundred forty thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 5657 11314 16971 28285 33942 46103 56570 84855 92206 138309 169710 230515 276618 461030 691545 1383090 260804671 521609342 782414013 1304023355 1564828026 2608046710 3912070065 7824140130