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142430531054451 = 3313534338558319
BaseRepresentation
bin100000011000101000110001…
…001101010110101101110011
3200200022020002121020000200120
4200120220301031112231303
5122132040211422220301
61222531403242421323
742000160223260533
oct4030506115265563
9620266077200616
10142430531054451
11414234a3695532
1213b83ba8801843
1361621ab9b41a3
142725962b054c3
15116ee2943ae36
hex818a31356b73

142430531054451 has 16 divisors (see below), whose sum is σ = 196588754595840. Its totient is φ = 91630351676160.

The previous prime is 142430531054437. The next prime is 142430531054561. The reversal of 142430531054451 is 154450135034241.

It is not a de Polignac number, because 142430531054451 - 25 = 142430531054419 is a prime.

It is a super-2 number, since 2×1424305310544512 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142430531058451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2169246331 + ... + 2169311988.

It is an arithmetic number, because the mean of its divisors is an integer number (12286797162240).

Almost surely, 2142430531054451 is an apocalyptic number.

142430531054451 is a deficient number, since it is larger than the sum of its proper divisors (54158223541389).

142430531054451 is a wasteful number, since it uses less digits than its factorization.

142430531054451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4338558706.

The product of its (nonzero) digits is 576000, while the sum is 42.

Adding to 142430531054451 its reverse (154450135034241), we get a palindrome (296880666088692).

The spelling of 142430531054451 in words is "one hundred forty-two trillion, four hundred thirty billion, five hundred thirty-one million, fifty-four thousand, four hundred fifty-one".

Divisors: 1 3 31 93 353 1059 10943 32829 4338558319 13015674957 134495307889 403485923667 1531511086607 4594533259821 47476843684817 142430531054451