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245553022012312 = 2379323470328799
BaseRepresentation
bin110111110101010001000100…
…101001101000101110011000
31012012102122021022011012201101
4313311101010221220232120
5224141120042113343222
62230125300115201144
7102502422536601340
oct6765210451505630
91165378238135641
10245553022012312
11712714a740aa63
12236599a22a61b4
13a702720928c41
14448cb888d1d20
151d5c5e6e46927
hexdf5444a68b98

245553022012312 has 32 divisors (see below), whose sum is σ = 526241487744000. Its totient is φ = 105225721318944.

The previous prime is 245553022012297. The next prime is 245553022012339. The reversal of 245553022012312 is 213210220355542.

It is a super-2 number, since 2×2455530220123122 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234642312 + ... + 235686487.

It is an arithmetic number, because the mean of its divisors is an integer number (16445046492000).

Almost surely, 2245553022012312 is an apocalyptic number.

It is an amenable number.

245553022012312 is an abundant number, since it is smaller than the sum of its proper divisors (280688465731688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245553022012312 is a wasteful number, since it uses less digits than its factorization.

245553022012312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470338135 (or 470338131 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 245553022012312 its reverse (213210220355542), we get a palindrome (458763242367854).

The spelling of 245553022012312 in words is "two hundred forty-five trillion, five hundred fifty-three billion, twenty-two million, twelve thousand, three hundred twelve".

Divisors: 1 2 4 7 8 14 28 56 9323 18646 37292 65261 74584 130522 261044 522088 470328799 940657598 1881315196 3292301593 3762630392 6584603186 13169206372 26338412744 4384875393077 8769750786154 17539501572308 30694127751539 35079003144616 61388255503078 122776511006156 245553022012312