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245120553545 = 5732172177011
BaseRepresentation
bin1110010001001001010…
…0101101001001001001
3212102200212120021221012
43210102110231021021
513004001330203140
6304335024053305
723465213220230
oct3442224551111
9772625507835
10245120553545
1194a5618697a
123b60a464235
131a1651bc17a
14bc14771b17
156599777265
hex391252d249

245120553545 has 16 divisors (see below), whose sum is σ = 336269981568. Its totient is φ = 168030339840.

The previous prime is 245120553539. The next prime is 245120553563. The reversal of 245120553545 is 545355021542.

It is not a de Polignac number, because 245120553545 - 26 = 245120553481 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 975911 + ... + 1201100.

It is an arithmetic number, because the mean of its divisors is an integer number (21016873848).

Almost surely, 2245120553545 is an apocalyptic number.

It is an amenable number.

245120553545 is a deficient number, since it is larger than the sum of its proper divisors (91149428023).

245120553545 is a wasteful number, since it uses less digits than its factorization.

245120553545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2180240.

The product of its (nonzero) digits is 600000, while the sum is 41.

The spelling of 245120553545 in words is "two hundred forty-five billion, one hundred twenty million, five hundred fifty-three thousand, five hundred forty-five".

Divisors: 1 5 7 35 3217 16085 22519 112595 2177011 10885055 15239077 76195385 7003444387 35017221935 49024110709 245120553545