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49728426496 = 297139173577
BaseRepresentation
bin101110010100000010…
…111001001000000000
311202100122210210210221
4232110002321020000
51303320434121441
634502300432424
73410213436160
oct562402711000
9152318723727
1049728426496
111a0a9444941
129779b48714
1348c6715948
14259a63a5a0
151460aed8d1
hexb940b9200

49728426496 has 160 divisors (see below), whose sum is σ = 115231374720. Its totient is φ = 21000093696.

The previous prime is 49728426493. The next prime is 49728426497. The reversal of 49728426496 is 69462482794.

It is not an unprimeable number, because it can be changed into a prime (49728426493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86184160 + ... + 86184736.

It is an arithmetic number, because the mean of its divisors is an integer number (720196092).

Almost surely, 249728426496 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 49728426496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57615687360).

49728426496 is an abundant number, since it is smaller than the sum of its proper divisors (65502948224).

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

49728426496 is a wasteful number, since it uses less digits than its factorization.

49728426496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914 (or 898 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 61.

The spelling of 49728426496 in words is "forty-nine billion, seven hundred twenty-eight million, four hundred twenty-six thousand, four hundred ninety-six".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 139 173 224 256 278 346 448 512 556 577 692 896 973 1112 1154 1211 1384 1792 1946 2224 2308 2422 2768 3584 3892 4039 4448 4616 4844 5536 7784 8078 8896 9232 9688 11072 15568 16156 17792 18464 19376 22144 24047 31136 32312 35584 36928 38752 44288 48094 62272 64624 71168 73856 77504 80203 88576 96188 99821 124544 129248 147712 155008 160406 168329 192376 199642 249088 258496 295424 310016 320812 336658 384752 399284 498176 516992 561421 620032 641624 673316 698747 769504 798568 1033984 1122842 1283248 1346632 1397494 1539008 1597136 2067968 2245684 2566496 2693264 2794988 3078016 3194272 4491368 5132992 5386528 5589976 6156032 6388544 8982736 10265984 10773056 11179952 12312064 12777088 13875119 17965472 20531968 21546112 22359904 25554176 27750238 35930944 41063936 43092224 44719808 51108352 55500476 71861888 86184448 89439616 97125833 111000952 143723776 178879232 194251666 222001904 287447552 357758464 388503332 444003808 777006664 888007616 1554013328 1776015232 3108026656 3552030464 6216053312 7104060928 12432106624 24864213248 49728426496