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245240054105451 = 31314671336232321
BaseRepresentation
bin110111110000101101100110…
…010011110100010101101011
31012011022201110000211021000120
4313300231212103310111223
5224121003112322333301
62225325420414534323
7102441003105355236
oct6760554623642553
91164281400737016
10245240054105451
11711607a5169369
12236091b9b073a3
13a6ac065284282
14447b9793ba41d
151d543cb074e36
hexdf0b664f456b

245240054105451 has 16 divisors (see below), whose sum is σ = 330188351695488. Its totient is φ = 161897907891200.

The previous prime is 245240054105383. The next prime is 245240054105491. The reversal of 245240054105451 is 154501450042542.

It is a cyclic number.

It is not a de Polignac number, because 245240054105451 - 217 = 245240053974379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245240054105491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 667932630 + ... + 668299691.

It is an arithmetic number, because the mean of its divisors is an integer number (20636771980968).

Almost surely, 2245240054105451 is an apocalyptic number.

245240054105451 is a deficient number, since it is larger than the sum of its proper divisors (84948297590037).

245240054105451 is a wasteful number, since it uses less digits than its factorization.

245240054105451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336232922.

The product of its (nonzero) digits is 640000, while the sum is 42.

The spelling of 245240054105451 in words is "two hundred forty-five trillion, two hundred forty billion, fifty-four million, one hundred five thousand, four hundred fifty-one".

Divisors: 1 3 131 393 467 1401 61177 183531 1336232321 4008696963 175046434051 525139302153 624020493907 1872061481721 81746684701817 245240054105451