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20002800282 = 2331139773683
BaseRepresentation
bin10010101000010000…
…101000001010011010
31220122000210112111220
4102220100220022122
5311431204102112
613104505232510
71305454665663
oct225020501232
956560715456
1020002800282
118535071a03
123a62a92736
131b6a1483ca
14d7a81436a
157c112098c
hex4a842829a

20002800282 has 32 divisors (see below), whose sum is σ = 41593251840. Its totient is φ = 6406086960.

The previous prime is 20002800269. The next prime is 20002800283. The reversal of 20002800282 is 28200820002.

It is a super-2 number, since 2×200028002822 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20002800283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360988 + ... + 412695.

It is an arithmetic number, because the mean of its divisors is an integer number (1299789120).

Almost surely, 220002800282 is an apocalyptic number.

20002800282 is an abundant number, since it is smaller than the sum of its proper divisors (21590451558).

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

20002800282 is a wasteful number, since it uses less digits than its factorization.

20002800282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773858.

The product of its (nonzero) digits is 1024, while the sum is 24.

The spelling of 20002800282 in words is "twenty billion, two million, eight hundred thousand, two hundred eighty-two".

Divisors: 1 2 3 6 31 62 93 139 186 278 417 834 4309 8618 12927 25854 773683 1547366 2321049 4642098 23984173 47968346 71952519 107541937 143905038 215083874 322625811 645251622 3333800047 6667600094 10001400141 20002800282