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245444363444542 = 21943914713125731
BaseRepresentation
bin110111110011101011111000…
…000110000110000100111110
31012012001020210200220001102111
4313303223320012012010332
5224132330024020211132
62230003330045044234
7102461525064163123
oct6763537006060476
91165036720801374
10245444363444542
117122a408496829
122364091885667a
13a6c53c5312722
1444877db93674a
151d598879c5647
hexdf3af818613e

245444363444542 has 16 divisors (see below), whose sum is σ = 388426519324800. Its totient is φ = 115998283255320.

The previous prime is 245444363444473. The next prime is 245444363444617.

245444363444542 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×2454443634445422 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

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, 7356546184 + ... + 7356579547.

It is an arithmetic number, because the mean of its divisors is an integer number (24276657457800).

Almost surely, 2245444363444542 is an apocalyptic number.

245444363444542 is a deficient number, since it is larger than the sum of its proper divisors (142982155880258).

245444363444542 is a wasteful number, since it uses less digits than its factorization.

245444363444542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14713126191.

The product of its digits is 353894400, while the sum is 58.

The spelling of 245444363444542 in words is "two hundred forty-five trillion, four hundred forty-four billion, three hundred sixty-three million, four hundred forty-four thousand, five hundred forty-two".

Divisors: 1 2 19 38 439 878 8341 16682 14713125731 29426251462 279549388889 559098777778 6459062195909 12918124391818 122722181722271 245444363444542