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33142431401 = 155599212999
BaseRepresentation
bin11110110111011100…
…010101111010101001
310011112202022221212022
4132313130111322221
51020333430301101
623120405154225
72252205006302
oct366734257251
9104482287768
1033142431401
1113068047282
12650b3bb975
133182428571
1418659297a9
15cde954a1b
hex7b7715ea9

33142431401 has 4 divisors (see below), whose sum is σ = 33142800000. Its totient is φ = 33142062804.

The previous prime is 33142431383. The next prime is 33142431433. The reversal of 33142431401 is 10413424133.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 33142431401 - 214 = 33142415017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (33142431701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49100 + ... + 262098.

It is an arithmetic number, because the mean of its divisors is an integer number (8285700000).

Almost surely, 233142431401 is an apocalyptic number.

It is an amenable number.

33142431401 is a deficient number, since it is larger than the sum of its proper divisors (368599).

33142431401 is a wasteful number, since it uses less digits than its factorization.

33142431401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368598.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 33142431401 its reverse (10413424133), we get a palindrome (43555855534).

The spelling of 33142431401 in words is "thirty-three billion, one hundred forty-two million, four hundred thirty-one thousand, four hundred one".

Divisors: 1 155599 212999 33142431401