Search a number
-
+
4557927834640 = 245239238385347
BaseRepresentation
bin100001001010011100110…
…1010110110010000010000
3121010201210211100022102201
41002110321222312100100
51044134114011202030
613405514431452544
7650204462232655
oct102247152662020
917121724308381
104557927834640
1114a800848a674
12617434987154
13270a702b002b
1411a867b33c2c
157d8674762ca
hex42539ab6410

4557927834640 has 40 divisors (see below), whose sum is σ = 10641521934720. Its totient is φ = 1815542795136.

The previous prime is 4557927834623. The next prime is 4557927834641. The reversal of 4557927834640 is 464387297554.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×45579278346402 (a number of 26 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (64) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (4557927834641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119173554 + ... + 119211793.

It is an arithmetic number, because the mean of its divisors is an integer number (266038048368).

Almost surely, 24557927834640 is an apocalyptic number.

4557927834640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4557927834640 is an abundant number, since it is smaller than the sum of its proper divisors (6083594100080).

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

4557927834640 is a wasteful number, since it uses less digits than its factorization.

4557927834640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238385599 (or 238385593 counting only the distinct ones).

The product of its (nonzero) digits is 203212800, while the sum is 64.

The spelling of 4557927834640 in words is "four trillion, five hundred fifty-seven billion, nine hundred twenty-seven million, eight hundred thirty-four thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 239 478 956 1195 1912 2390 3824 4780 9560 19120 238385347 476770694 953541388 1191926735 1907082776 2383853470 3814165552 4767706940 9535413880 19070827760 56974097933 113948195866 227896391732 284870489665 455792783464 569740979330 911585566928 1139481958660 2278963917320 4557927834640