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245407323704542 = 21922185915549629
BaseRepresentation
bin110111110011001001011000…
…010110101100110011011110
31012011220201012100002022020021
4313303021120112230303132
5224131223144332021132
62225534322414542354
7102456044153452006
oct6763113026546336
91164821170068207
10245407323704542
117121573052595a
12236357002079ba
13a6c1a7163c2cc
144485ac6589006
151d5891ad32997
hexdf32585accde

245407323704542 has 24 divisors (see below), whose sum is σ = 388522744187400. Its totient is φ = 116240248937808.

The previous prime is 245407323704503. The next prime is 245407323704563.

245407323704542 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×2454073237045422 (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 245407323704542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8007384 + ... + 23557012.

It is an arithmetic number, because the mean of its divisors is an integer number (16188447674475).

Almost surely, 2245407323704542 is an apocalyptic number.

245407323704542 is a deficient number, since it is larger than the sum of its proper divisors (143115420482858).

245407323704542 is a wasteful number, since it uses less digits than its factorization.

245407323704542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15571528 (or 15571509 counting only the distinct ones).

The product of its (nonzero) digits is 22579200, while the sum is 52.

The spelling of 245407323704542 in words is "two hundred forty-five trillion, four hundred seven billion, three hundred twenty-three million, seven hundred four thousand, five hundred forty-two".

Divisors: 1 2 19 38 361 722 21859 43718 415321 830642 7891099 15549629 15782198 31099258 295442951 590885902 5613416069 11226832138 339899340311 679798680622 6458087465909 12916174931818 122703661852271 245407323704542