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243102210144442 = 21163746317334497
BaseRepresentation
bin110111010001100110100100…
…111000010011100010111010
31011212202100022000020122210021
4313101212210320103202322
5223330441311244110232
62221011340311241054
7102130361251463635
oct6721464470234272
91155670260218707
10243102210144442
1170507082a68450
1223322a0637918a
13a585594a39b3c
1444062d17b4c1c
151d189a67ac397
hexdd19a4e138ba

243102210144442 has 16 divisors (see below), whose sum is σ = 397804263590592. Its totient is φ = 110500824891520.

The previous prime is 243102210144427. The next prime is 243102210144473. The reversal of 243102210144442 is 244441012201342.

243102210144442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2431022101444422 (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243102210144398 and 243102210144407.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5356938 + ... + 22691434.

It is an arithmetic number, because the mean of its divisors is an integer number (24862766474412).

Almost surely, 2243102210144442 is an apocalyptic number.

243102210144442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

243102210144442 is a deficient number, since it is larger than the sum of its proper divisors (154702053446150).

243102210144442 is a wasteful number, since it uses less digits than its factorization.

243102210144442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17971973.

The product of its (nonzero) digits is 49152, while the sum is 34.

Adding to 243102210144442 its reverse (244441012201342), we get a palindrome (487543222345784).

The spelling of 243102210144442 in words is "two hundred forty-three trillion, one hundred two billion, two hundred ten million, one hundred forty-four thousand, four hundred forty-two".

Divisors: 1 2 11 22 637463 1274926 7012093 14024186 17334497 34668994 190679467 381358934 11050100461111 22100200922222 121551105072221 243102210144442