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245555500010155 = 51916315857636423
BaseRepresentation
bin110111110101010011011000…
…010110011100101010101011
31012012102212122222221112201021
4313311103120112130222223
5224141140131000311110
62230130350035233311
7102502541126332006
oct6765233026345253
91165385588845637
10245555500010155
1171272559156465
122365a374148837
13a702a2712385a
14448cd41a5653d
151d5c6de7782da
hexdf54d859caab

245555500010155 has 16 divisors (see below), whose sum is σ = 312078284824320. Its totient is φ = 184963471226208.

The previous prime is 245555500010101. The next prime is 245555500010159. The reversal of 245555500010155 is 551010005555542.

It is a cyclic number.

It is not a de Polignac number, because 245555500010155 - 29 = 245555500009643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245555500010159) 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, 7928802727 + ... + 7928833696.

It is an arithmetic number, because the mean of its divisors is an integer number (19504892801520).

Almost surely, 2245555500010155 is an apocalyptic number.

245555500010155 is a deficient number, since it is larger than the sum of its proper divisors (66522784814165).

245555500010155 is a wasteful number, since it uses less digits than its factorization.

245555500010155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15857636610.

The product of its (nonzero) digits is 625000, while the sum is 43.

Adding to 245555500010155 its reverse (551010005555542), we get a palindrome (796565505565697).

The spelling of 245555500010155 in words is "two hundred forty-five trillion, five hundred fifty-five billion, five hundred million, ten thousand, one hundred fifty-five".

Divisors: 1 5 19 95 163 815 3097 15485 15857636423 79288182115 301295092037 1506475460185 2584794736949 12923973684745 49111100002031 245555500010155