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245220431245142 = 2247031496335341
BaseRepresentation
bin110111110000011011010100…
…101100100010111101010110
31012011020211210110221200011112
4313300123110230202331112
5224120142420344321032
62225312413320535022
7102436406612662043
oct6760332454427526
91164224713850145
10245220431245142
1171153445610a41
1223605442321472
13a6aa258a75922
14447aa372281ca
151d53b2d4a41b2
hexdf06d4b22f56

245220431245142 has 8 divisors (see below), whose sum is σ = 367832136614832. Its totient is φ = 122609719040200.

The previous prime is 245220431245091. The next prime is 245220431245183. The reversal of 245220431245142 is 241542134022542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 245220431245142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247673609 + ... + 248661732.

It is an arithmetic number, because the mean of its divisors is an integer number (45979017076854).

Almost surely, 2245220431245142 is an apocalyptic number.

245220431245142 is a deficient number, since it is larger than the sum of its proper divisors (122611705369690).

245220431245142 is a wasteful number, since it uses less digits than its factorization.

245220431245142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496582374.

The product of its (nonzero) digits is 614400, while the sum is 41.

Adding to 245220431245142 its reverse (241542134022542), we get a palindrome (486762565267684).

The spelling of 245220431245142 in words is "two hundred forty-five trillion, two hundred twenty billion, four hundred thirty-one million, two hundred forty-five thousand, one hundred forty-two".

Divisors: 1 2 247031 494062 496335341 992670682 122610215622571 245220431245142