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2315350043656 = 2313227701139907
BaseRepresentation
bin100001101100010101100…
…111011110110000001000
322012100022201120220000121
4201230111213132300020
5300413314102344111
64531353534513024
7326164350435316
oct41542547366010
98170281526017
102315350043656
11812a30814081
12314892065774
1313a44b5ac040
14800c64d50b6
1540363097871
hex21b159dec08

2315350043656 has 64 divisors (see below), whose sum is σ = 4702554118080. Its totient is φ = 1062390201600.

The previous prime is 2315350043653. The next prime is 2315350043687. The reversal of 2315350043656 is 6563400535132.

It is a super-2 number, since 2×23153500436562 (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2315350043651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16479255 + ... + 16619161.

It is an arithmetic number, because the mean of its divisors is an integer number (73477408095).

Almost surely, 22315350043656 is an apocalyptic number.

2315350043656 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2315350043656 is an abundant number, since it is smaller than the sum of its proper divisors (2387204074424).

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

2315350043656 is a wasteful number, since it uses less digits than its factorization.

2315350043656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140854 (or 140850 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 43.

Adding to 2315350043656 its reverse (6563400535132), we get a palindrome (8878750578788).

The spelling of 2315350043656 in words is "two trillion, three hundred fifteen billion, three hundred fifty million, forty-three thousand, six hundred fifty-six".

Divisors: 1 2 4 8 13 26 52 104 227 454 701 908 1402 1816 2804 2951 5608 5902 9113 11804 18226 23608 36452 72904 139907 159127 279814 318254 559628 636508 1119256 1273016 1818791 2068651 3637582 4137302 7275164 8274604 14550328 16549208 31758889 63517778 98074807 127035556 196149614 254071112 392299228 412865557 784598456 825731114 1274972491 1651462228 2549944982 3302924456 5099889964 10199779928 22262981189 44525962378 89051924756 178103849512 289418755457 578837510914 1157675021828 2315350043656