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25354313242 = 2163211368597
BaseRepresentation
bin10111100111001111…
…000001111000011010
32102102222121120012121
4113213033001320122
5403411201010432
615351514531454
71555206051406
oct274717017032
972388546177
1025354313242
11a830937895
124ab7136b8a
132510a6ca1b
141327458106
159d5d5e197
hex5e73c1e1a

25354313242 has 16 divisors (see below), whose sum is σ = 38446245792. Its totient is φ = 12539635920.

The previous prime is 25354313239. The next prime is 25354313261. The reversal of 25354313242 is 24231345352.

It is a junction number, because it is equal to n+sod(n) for n = 25354313198 and 25354313207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115513 + ... + 253084.

It is an arithmetic number, because the mean of its divisors is an integer number (2402890362).

Almost surely, 225354313242 is an apocalyptic number.

25354313242 is a deficient number, since it is larger than the sum of its proper divisors (13091932550).

25354313242 is a wasteful number, since it uses less digits than its factorization.

25354313242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368973.

The product of its digits is 86400, while the sum is 34.

Adding to 25354313242 its reverse (24231345352), we get a palindrome (49585658594).

The spelling of 25354313242 in words is "twenty-five billion, three hundred fifty-four million, three hundred thirteen thousand, two hundred forty-two".

Divisors: 1 2 163 211 326 422 34393 68786 368597 737194 60081311 77773967 120162622 155547934 12677156621 25354313242