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490936157264 = 24719773930109
BaseRepresentation
bin1110010010011100001…
…00110100010001010000
31201221012011222210110102
413021032010310101100
531020414124013024
61013311041351532
750316566325020
oct7111604642120
91657164883412
10490936157264
1117a228731283
127b1916385a8
13373ab3a6717
1419a9354da80
15cb850451ae
hex724e134450

490936157264 has 80 divisors (see below), whose sum is σ = 1094105865600. Its totient is φ = 209042975232.

The previous prime is 490936157251. The next prime is 490936157303. The reversal of 490936157264 is 462751639094.

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, 16290242 + ... + 16320350.

It is an arithmetic number, because the mean of its divisors is an integer number (13676323320).

Almost surely, 2490936157264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 490936157264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (547052932800).

490936157264 is an abundant number, since it is smaller than the sum of its proper divisors (603169708336).

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

490936157264 is a wasteful number, since it uses less digits than its factorization.

490936157264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31060 (or 31054 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 56.

The spelling of 490936157264 in words is "four hundred ninety billion, nine hundred thirty-six million, one hundred fifty-seven thousand, two hundred sixty-four".

Divisors: 1 2 4 7 8 14 16 28 56 112 197 394 739 788 1379 1478 1576 2758 2956 3152 5173 5516 5912 10346 11032 11824 20692 22064 30109 41384 60218 82768 120436 145583 210763 240872 291166 421526 481744 582332 843052 1019081 1164664 1686104 2038162 2329328 3372208 4076324 5931473 8152648 11862946 16305296 22250551 23725892 41520311 44501102 47451784 83040622 89002204 94903568 155753857 166081244 178004408 311507714 332162488 356008816 623015428 664324976 1246030856 2492061712 4383358547 8766717094 17533434188 30683509829 35066868376 61367019658 70133736752 122734039316 245468078632 490936157264