Search a number
-
+
13937491456 = 2974194849
BaseRepresentation
bin11001111101011110…
…10011111000000000
31022222022211220222021
430332233103320000
5212020444211311
610223000451224
71002245502610
oct147657237000
938868756867
1013937491456
115a02394689
12284b779b14
131411694185
14963084a40
155688d7171
hex33ebd3e00

13937491456 has 80 divisors (see below), whose sum is σ = 32602600800. Its totient is φ = 5827461120.

The previous prime is 13937491433. The next prime is 13937491457. The reversal of 13937491456 is 65419473931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13937491457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99520 + ... + 194368.

It is an arithmetic number, because the mean of its divisors is an integer number (407532510).

Almost surely, 213937491456 is an apocalyptic number.

13937491456 is a gapful number since it is divisible by the number (16) 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 13937491456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16301300400).

13937491456 is an abundant number, since it is smaller than the sum of its proper divisors (18665109344).

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

13937491456 is an frugal number, since it uses more digits than its factorization.

13937491456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94915 (or 94899 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 52.

The spelling of 13937491456 in words is "thirteen billion, nine hundred thirty-seven million, four hundred ninety-one thousand, four hundred fifty-six".

Divisors: 1 2 4 7 8 14 16 28 32 41 56 64 82 112 128 164 224 256 287 328 448 512 574 656 896 1148 1312 1792 2296 2624 3584 4592 5248 9184 10496 18368 20992 36736 73472 94849 146944 189698 379396 663943 758792 1327886 1517584 2655772 3035168 3888809 5311544 6070336 7777618 10623088 12140672 15555236 21246176 24281344 27221663 31110472 42492352 48562688 54443326 62220944 84984704 108886652 124441888 169969408 217773304 248883776 339938816 435546608 497767552 871093216 995535104 1742186432 1991070208 3484372864 6968745728 13937491456