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51104452432 = 24112831026029
BaseRepresentation
bin101111100110000100…
…000000111101010000
311212220120001011112111
4233212010000331100
51314130214434212
635251013435104
73456262451455
oct574604007520
9155816034474
1051104452432
111a745149560
129aa293ba94
134a8581c187
14268b2ab82c
1514e1809ea7
hexbe6100f50

51104452432 has 40 divisors (see below), whose sum is σ = 108398017440. Its totient is φ = 23147191680.

The previous prime is 51104452423. The next prime is 51104452433. The reversal of 51104452432 is 23425440115.

It is a super-2 number, since 2×511044524322 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51104452394 and 51104452403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51104452433) 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, 463207 + ... + 562822.

It is an arithmetic number, because the mean of its divisors is an integer number (2709950436).

Almost surely, 251104452432 is an apocalyptic number.

It is an amenable number.

51104452432 is an abundant number, since it is smaller than the sum of its proper divisors (57293565008).

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

51104452432 is a wasteful number, since it uses less digits than its factorization.

51104452432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026331 (or 1026325 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 51104452432 its reverse (23425440115), we get a palindrome (74529892547).

The spelling of 51104452432 in words is "fifty-one billion, one hundred four million, four hundred fifty-two thousand, four hundred thirty-two".

Divisors: 1 2 4 8 11 16 22 44 88 176 283 566 1132 2264 3113 4528 6226 12452 24904 49808 1026029 2052058 4104116 8208232 11286319 16416464 22572638 45145276 90290552 180581104 290366207 580732414 1161464828 2322929656 3194028277 4645859312 6388056554 12776113108 25552226216 51104452432