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141981785000 = 2354112581487
BaseRepresentation
bin1000010000111011000…
…1100001101110101000
3111120110221202222200122
42010032301201232220
54311234314110000
6145120414222412
713154304155066
oct2041661415650
9446427688618
10141981785000
115523a01a590
12236254b4a08
131050932c543
146c2c905036
153a5ebd7085
hex210ec61ba8

141981785000 has 80 divisors (see below), whose sum is σ = 362905583040. Its totient is φ = 51629720000.

The previous prime is 141981784969. The next prime is 141981785059. The reversal of 141981785000 is 587189141.

It is a happy number.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1235744 + ... + 1345743.

It is an arithmetic number, because the mean of its divisors is an integer number (4536319788).

Almost surely, 2141981785000 is an apocalyptic number.

141981785000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

141981785000 is an abundant number, since it is smaller than the sum of its proper divisors (220923798040).

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

141981785000 is a wasteful number, since it uses less digits than its factorization.

141981785000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2581524 (or 2581505 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 44.

The spelling of 141981785000 in words is "one hundred forty-one billion, nine hundred eighty-one million, seven hundred eighty-five thousand".

Divisors: 1 2 4 5 8 10 11 20 22 25 40 44 50 55 88 100 110 125 200 220 250 275 440 500 550 625 1000 1100 1250 1375 2200 2500 2750 5000 5500 6875 11000 13750 27500 55000 2581487 5162974 10325948 12907435 20651896 25814870 28396357 51629740 56792714 64537175 103259480 113585428 129074350 141981785 227170856 258148700 283963570 322685875 516297400 567927140 645371750 709908925 1135854280 1290743500 1419817850 1613429375 2581487000 2839635700 3226858750 3549544625 5679271400 6453717500 7099089250 12907435000 14198178500 17747723125 28396357000 35495446250 70990892500 141981785000