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29906899890360 = 23351931291316921
BaseRepresentation
bin1101100110011001111100…
…01001001111000010111000
310220220001221021102011102020
412303030332021033002320
512404443312332442420
6143335012400434440
76204462600460143
oct663147611170270
9126801837364366
1029906899890360
119590499353789
1234301a8318a20
13138c29328408c
1475570486705a
1536ce316d1340
hex1b333e24f0b8

29906899890360 has 64 divisors (see below), whose sum is σ = 90185573832480. Its totient is φ = 7933851156480.

The previous prime is 29906899890317. The next prime is 29906899890391. The reversal of 29906899890360 is 6309899860992.

It is a super-2 number, since 2×299068998903602 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 645635301 + ... + 645681620.

Almost surely, 229906899890360 is an apocalyptic number.

29906899890360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29906899890360 is an abundant number, since it is smaller than the sum of its proper divisors (60278673942120).

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

29906899890360 is a wasteful number, since it uses less digits than its factorization.

29906899890360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291317128 (or 1291317124 counting only the distinct ones).

The product of its (nonzero) digits is 816293376, while the sum is 78.

The spelling of 29906899890360 in words is "twenty-nine trillion, nine hundred six billion, eight hundred ninety-nine million, eight hundred ninety thousand, three hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 193 386 579 772 965 1158 1544 1930 2316 2895 3860 4632 5790 7720 11580 23160 1291316921 2582633842 3873950763 5165267684 6456584605 7747901526 10330535368 12913169210 15495803052 19369753815 25826338420 30991606104 38739507630 51652676840 77479015260 154958030520 249224165753 498448331506 747672497259 996896663012 1246120828765 1495344994518 1993793326024 2492241657530 2990689989036 3738362486295 4984483315060 5981379978072 7476724972590 9968966630120 14953449945180 29906899890360