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25341430221031 = 173148086205353
BaseRepresentation
bin1011100001100010000101…
…11100100100100011100111
310022201121122211202221201211
411300301002330210203213
511310143222114033111
6125521405313132251
75223600156542011
oct560610274444347
9108647584687654
1025341430221031
11809027078a091
122a1340985a087
13111a8c0659392
146387632511b1
152de2c70b2521
hex170c42f248e7

25341430221031 has 8 divisors (see below), whose sum is σ = 27697654283904. Its totient is φ = 23081378568960.

The previous prime is 25341430221017. The next prime is 25341430221067. The reversal of 25341430221031 is 13012203414352.

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

It is a cyclic number.

It is not a de Polignac number, because 25341430221031 - 27 = 25341430220903 is a prime.

It is a super-2 number, since 2×253414302210312 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25341430220984 and 25341430221002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25341430225031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24043102150 + ... + 24043103203.

It is an arithmetic number, because the mean of its divisors is an integer number (3462206785488).

Almost surely, 225341430221031 is an apocalyptic number.

25341430221031 is a deficient number, since it is larger than the sum of its proper divisors (2356224062873).

25341430221031 is a wasteful number, since it uses less digits than its factorization.

25341430221031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48086205401.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 25341430221031 its reverse (13012203414352), we get a palindrome (38353633635383).

The spelling of 25341430221031 in words is "twenty-five trillion, three hundred forty-one billion, four hundred thirty million, two hundred twenty-one thousand, thirty-one".

Divisors: 1 17 31 527 48086205353 817465491001 1490672365943 25341430221031