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25400042210430 = 2345373397421503
BaseRepresentation
bin1011100011001111010000…
…11111100100010001111110
310022221012221121120111220000
411301213220133210101332
511312123241301213210
6130004341315335130
75231043503330406
oct561475037442176
9108835847514800
1025400042210430
118103108717248
122a228468b14a6
1311232a1675004
1463b523633806
152e0aa7a3cac0
hex1719e87e447e

25400042210430 has 320 divisors, whose sum is σ = 68953376435328. Its totient is φ = 6708800609280.

The previous prime is 25400042210399. The next prime is 25400042210441. The reversal of 25400042210430 is 3401224000452.

25400042210430 is a `hidden beast` number, since 2 + 5 + 4 + 0 + 0 + 0 + 4 + 221 + 0 + 430 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 25400042210394 and 25400042210403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 50497101559 + ... + 50497102061.

Almost surely, 225400042210430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25400042210430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34476688217664).

25400042210430 is an abundant number, since it is smaller than the sum of its proper divisors (43553334224898).

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

25400042210430 is a wasteful number, since it uses less digits than its factorization.

25400042210430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713 (or 1704 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 25400042210430 its reverse (3401224000452), we get a palindrome (28801266210882).

The spelling of 25400042210430 in words is "twenty-five trillion, four hundred billion, forty-two million, two hundred ten thousand, four hundred thirty".