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100215050656 = 257447388619
BaseRepresentation
bin101110101010101001…
…0000101000110100000
3100120200011022001021211
41131111102011012200
53120220023110111
6114012124155504
710145264606230
oct1352522050640
9316604261254
10100215050656
1139556868916
1217509998b94
1395b1236456
144bc983dcc0
152918068521
hex17554851a0

100215050656 has 24 divisors (see below), whose sum is σ = 225483864480. Its totient is φ = 42949307328.

The previous prime is 100215050641. The next prime is 100215050723. The reversal of 100215050656 is 656050512001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223694086 + ... + 223694533.

It is an arithmetic number, because the mean of its divisors is an integer number (9395161020).

Almost surely, 2100215050656 is an apocalyptic number.

100215050656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

100215050656 is an abundant number, since it is smaller than the sum of its proper divisors (125268813824).

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

100215050656 is an equidigital number, since it uses as much as digits as its factorization.

100215050656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447388636 (or 447388628 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 31.

Adding to 100215050656 its reverse (656050512001), we get a palindrome (756265562657).

The spelling of 100215050656 in words is "one hundred billion, two hundred fifteen million, fifty thousand, six hundred fifty-six".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 447388619 894777238 1789554476 3131720333 3579108952 6263440666 7158217904 12526881332 14316435808 25053762664 50107525328 100215050656