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283890817146 = 2387135430407
BaseRepresentation
bin1000010000110010011…
…01100001100001111010
31000010202211122202020010
410020121031201201322
514122402022122041
6334230113242350
726340036062556
oct4103115414172
91003684582203
10283890817146
11aa440a68842
124702a5633b6
1320a03568251
14da518ac866
1575b82eca16
hex421936187a

283890817146 has 16 divisors (see below), whose sum is σ = 567846903744. Its totient is φ = 94619394144.

The previous prime is 283890817141. The next prime is 283890817151. The reversal of 283890817146 is 641718098382.

It is an interprime number because it is at equal distance from previous prime (283890817141) and next prime (283890817151).

It is not an unprimeable number, because it can be changed into a prime (283890817141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2662926 + ... + 2767481.

It is an arithmetic number, because the mean of its divisors is an integer number (35490431484).

Almost surely, 2283890817146 is an apocalyptic number.

283890817146 is an abundant number, since it is smaller than the sum of its proper divisors (283956086598).

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

283890817146 is a wasteful number, since it uses less digits than its factorization.

283890817146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5439125.

The product of its (nonzero) digits is 4644864, while the sum is 57.

The spelling of 283890817146 in words is "two hundred eighty-three billion, eight hundred ninety million, eight hundred seventeen thousand, one hundred forty-six".

Divisors: 1 2 3 6 8713 17426 26139 52278 5430407 10860814 16291221 32582442 47315136191 94630272382 141945408573 283890817146