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284113031240 = 2357102825781
BaseRepresentation
bin1000010001001100111…
…01001101000001001000
31000011100022210101122202
410020212131031001020
514123330413444430
6334304132135332
726345404630223
oct4104635150110
91004308711582
10284113031240
11aa545443555
1247090a67548
1320a3a5cc68c
14da731d45ba
1575cca93d45
hex422674d048

284113031240 has 16 divisors (see below), whose sum is σ = 639254320380. Its totient is φ = 113645212480.

The previous prime is 284113031179. The next prime is 284113031281. The reversal of 284113031240 is 42130311482.

It can be written as a sum of positive squares in 2 ways, for example, as 247404770404 + 36708260836 = 497398^2 + 191594^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3551412851 + ... + 3551412930.

Almost surely, 2284113031240 is an apocalyptic number.

284113031240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

284113031240 is an abundant number, since it is smaller than the sum of its proper divisors (355141289140).

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

284113031240 is a wasteful number, since it uses less digits than its factorization.

284113031240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7102825792 (or 7102825788 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 284113031240 in words is "two hundred eighty-four billion, one hundred thirteen million, thirty-one thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 7102825781 14205651562 28411303124 35514128905 56822606248 71028257810 142056515620 284113031240