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245220412144 = 2473209948983
BaseRepresentation
bin1110010001100001000…
…1101000101011110000
3212102221211110122011211
43210120101220223300
513004202411142034
6304352552245504
723500535053201
oct3443021505360
9772854418154
10245220412144
1194aa7591144
123b6379a0894
131a17cab34b6
14bc23b275a8
1565a33eed64
hex3918468af0

245220412144 has 20 divisors (see below), whose sum is σ = 481622969296. Its totient is φ = 120930613632.

The previous prime is 245220412141. The next prime is 245220412147. The reversal of 245220412144 is 441214022542.

It is an interprime number because it is at equal distance from previous prime (245220412141) and next prime (245220412147).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245220412141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104973324 + ... + 104975659.

Almost surely, 2245220412144 is an apocalyptic number.

It is an amenable number.

245220412144 is a deficient number, since it is larger than the sum of its proper divisors (236402557152).

245220412144 is a wasteful number, since it uses less digits than its factorization.

245220412144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209949064 (or 209949058 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 31.

Adding to 245220412144 its reverse (441214022542), we get a palindrome (686434434686).

The spelling of 245220412144 in words is "two hundred forty-five billion, two hundred twenty million, four hundred twelve thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 73 146 292 584 1168 209948983 419897966 839795932 1679591864 3359183728 15326275759 30652551518 61305103036 122610206072 245220412144