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283988794975 = 5241587471997
BaseRepresentation
bin1000010000111110000…
…11010001111001011111
31000011000200000112112121
410020133003101321133
514123102112414400
6334243533243411
726342335633324
oct4103703217137
91004020015477
10283988794975
11aa4912a8a56
1247057333567
1320a1a9514b2
14da608d4b4b
1575c1c0321a
hex421f0d1e5f

283988794975 has 24 divisors (see below), whose sum is σ = 361350340848. Its totient is φ = 221271724800.

The previous prime is 283988794963. The next prime is 283988794979. The reversal of 283988794975 is 579497889382.

It is not a de Polignac number, because 283988794975 - 215 = 283988762207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 283988794895 and 283988794904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (283988794979) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 365677 + ... + 837673.

It is an arithmetic number, because the mean of its divisors is an integer number (15056264202).

Almost surely, 2283988794975 is an apocalyptic number.

283988794975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

283988794975 is a deficient number, since it is larger than the sum of its proper divisors (77361545873).

283988794975 is a wasteful number, since it uses less digits than its factorization.

283988794975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472635 (or 472630 counting only the distinct ones).

The product of its digits is 2194698240, while the sum is 79.

The spelling of 283988794975 in words is "two hundred eighty-three billion, nine hundred eighty-eight million, seven hundred ninety-four thousand, nine hundred seventy-five".

Divisors: 1 5 25 41 205 587 1025 2935 14675 24067 120335 471997 601675 2359985 11799925 19351877 96759385 277062239 483796925 1385311195 6926555975 11359551799 56797758995 283988794975