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2985420636128 = 257313371275751
BaseRepresentation
bin101011011100011000111…
…011111011111111100000
3101120101220002121212001102
4223130120323323333200
5342403120140324003
610203252221053532
7425455335465050
oct53343073737740
911511802555042
102985420636128
11a51123134927
124027173b72a8
131886a719c288
14a46d08c9560
15529ce81c588
hex2b718efbfe0

2985420636128 has 96 divisors (see below), whose sum is σ = 6954460950528. Its totient is φ = 1234517760000.

The previous prime is 2985420636101. The next prime is 2985420636131. The reversal of 2985420636128 is 8216360245892.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1702253 + ... + 2978003.

It is an arithmetic number, because the mean of its divisors is an integer number (72442301568).

Almost surely, 22985420636128 is an apocalyptic number.

2985420636128 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2985420636128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3477230475264).

2985420636128 is an abundant number, since it is smaller than the sum of its proper divisors (3969040314400).

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

2985420636128 is a wasteful number, since it uses less digits than its factorization.

2985420636128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276136 (or 1276128 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 56.

The spelling of 2985420636128 in words is "two trillion, nine hundred eighty-five billion, four hundred twenty million, six hundred thirty-six thousand, one hundred twenty-eight".

Divisors: 1 2 4 7 8 14 16 28 31 32 56 62 112 124 217 224 248 337 434 496 674 868 992 1348 1736 2359 2696 3472 4718 5392 6944 9436 10447 10784 18872 20894 37744 41788 73129 75488 83576 146258 167152 292516 334304 585032 1170064 1275751 2340128 2551502 5103004 8930257 10206008 17860514 20412016 35721028 39548281 40824032 71442056 79096562 142884112 158193124 276837967 285768224 316386248 429928087 553675934 632772496 859856174 1107351868 1265544992 1719712348 2214703736 3009496609 3439424696 4429407472 6018993218 6878849392 8858814944 12037986436 13327770697 13757698784 24075972872 26655541394 48151945744 53311082788 93294394879 96303891488 106622165576 186588789758 213244331152 373177579516 426488662304 746355159032 1492710318064 2985420636128