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318683039990 = 25722243289957
BaseRepresentation
bin1001010001100101111…
…11010100100011110110
31010110120120100210111012
410220302333110203312
520210130324234430
6402222335312222
732011156100600
oct4506277244366
91113516323435
10318683039990
111131752a4817
125191a37b672
1324089710a63
14115d2570170
1584529d9695
hex4a32fd48f6

318683039990 has 48 divisors (see below), whose sum is σ = 667583061552. Its totient is φ = 109213667136.

The previous prime is 318683039957. The next prime is 318683040007. The reversal of 318683039990 is 99930386813.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 954092 + ... + 1244048.

It is an arithmetic number, because the mean of its divisors is an integer number (13907980449).

Almost surely, 2318683039990 is an apocalyptic number.

318683039990 is an abundant number, since it is smaller than the sum of its proper divisors (348900021562).

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

318683039990 is a wasteful number, since it uses less digits than its factorization.

318683039990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292221 (or 292214 counting only the distinct ones).

The product of its (nonzero) digits is 7558272, while the sum is 59.

The spelling of 318683039990 in words is "three hundred eighteen billion, six hundred eighty-three million, thirty-nine thousand, nine hundred ninety".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 2243 4486 11215 15701 22430 31402 78505 109907 157010 219814 289957 549535 579914 1099070 1449785 2029699 2899570 4059398 10148495 14207893 20296990 28415786 71039465 142078930 650373551 1300747102 3251867755 4552614857 6503735510 9105229714 22763074285 31868303999 45526148570 63736607998 159341519995 318683039990