Search a number
-
+
25245101311122 = 2371182766073853
BaseRepresentation
bin1011011110101110101010…
…10010111100010010010010
310022101102000111221022100210
411233113111102330102102
511302103431413423442
6125405234530224550
75213620100402040
oct557272522742222
9108342014838323
1025245101311122
118053429608340
1229b8805425156
1311117ab58a7c4
14633c259a7390
152dba3a2cd19c
hex16f5d54bc492

25245101311122 has 64 divisors (see below), whose sum is σ = 63024942081024. Its totient is φ = 6549240210240.

The previous prime is 25245101311121. The next prime is 25245101311181. The reversal of 25245101311122 is 22111310154252.

It is a self number, because there is not a number n which added to its sum of digits gives 25245101311122.

It is not an unprimeable number, because it can be changed into a prime (25245101311121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32654853 + ... + 33419000.

It is an arithmetic number, because the mean of its divisors is an integer number (984764720016).

Almost surely, 225245101311122 is an apocalyptic number.

25245101311122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

25245101311122 is an abundant number, since it is smaller than the sum of its proper divisors (37779840769902).

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

25245101311122 is a wasteful number, since it uses less digits than its factorization.

25245101311122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66074703.

The product of its (nonzero) digits is 4800, while the sum is 30.

Adding to 25245101311122 its reverse (22111310154252), we get a palindrome (47356411465374).

The spelling of 25245101311122 in words is "twenty-five trillion, two hundred forty-five billion, one hundred one million, three hundred eleven thousand, one hundred twenty-two".

Divisors: 1 2 3 6 7 11 14 21 22 33 42 66 77 154 231 462 827 1654 2481 4962 5789 9097 11578 17367 18194 27291 34734 54582 63679 127358 191037 382074 66073853 132147706 198221559 396443118 462516971 726812383 925033942 1387550913 1453624766 2180437149 2775101826 4360874298 5087686681 10175373362 15263060043 30526120086 54643076431 109286152862 163929229293 327858458586 382501535017 601073840741 765003070034 1147504605051 1202147681482 1803221522223 2295009210102 3606443044446 4207516885187 8415033770374 12622550655561 25245101311122