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245402434505054 = 2228753651603521
BaseRepresentation
bin110111110011000100110100…
…111011111000100101011110
31012011220020120121012020101202
4313303010310323320211132
5224131133141213130204
62225532153322235502
7102455512045112051
oct6763046473704536
91164806517166352
10245402434505054
1171213651716a22
1223634776955b92
13a6c1472736268
1444857810caa98
151d587319b5e1e
hexdf3134ef895e

245402434505054 has 8 divisors (see below), whose sum is σ = 368264606575008. Its totient is φ = 122647565646720.

The previous prime is 245402434505027. The next prime is 245402434505057. The reversal of 245402434505054 is 450505434204542.

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

It is a super-2 number, since 2×2454024345050542 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245402434505057) 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, 26825797187 + ... + 26825806334.

It is an arithmetic number, because the mean of its divisors is an integer number (46033075821876).

Almost surely, 2245402434505054 is an apocalyptic number.

245402434505054 is a deficient number, since it is larger than the sum of its proper divisors (122862172069954).

245402434505054 is a wasteful number, since it uses less digits than its factorization.

245402434505054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53651605810.

The product of its (nonzero) digits is 7680000, while the sum is 47.

Adding to 245402434505054 its reverse (450505434204542), we get a palindrome (695907868709596).

The spelling of 245402434505054 in words is "two hundred forty-five trillion, four hundred two billion, four hundred thirty-four million, five hundred five thousand, fifty-four".

Divisors: 1 2 2287 4574 53651603521 107303207042 122701217252527 245402434505054