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30311552212104 = 2335233241349387
BaseRepresentation
bin1101110010001011101010…
…10011010101110010001000
310222022202102012010222001210
412321011311103111302020
512433111024331241404
6144244533532213120
76245636343451332
oct671056523256210
9128282365128053
1030311552212104
11972706a004289
1234966b960a1a0
1313bb4a06cb807
1476b130866452
15378716755689
hex1b91754d5c88

30311552212104 has 32 divisors (see below), whose sum is σ = 75793361807520. Its totient is φ = 10101919900416.

The previous prime is 30311552212049. The next prime is 30311552212157. The reversal of 30311552212104 is 40121225511303.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120549102 + ... + 120800285.

It is an arithmetic number, because the mean of its divisors is an integer number (2368542556485).

Almost surely, 230311552212104 is an apocalyptic number.

It is an amenable number.

30311552212104 is an abundant number, since it is smaller than the sum of its proper divisors (45481809595416).

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

30311552212104 is a wasteful number, since it uses less digits than its factorization.

30311552212104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241354629 (or 241354625 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 30311552212104 its reverse (40121225511303), we get a palindrome (70432777723407).

The spelling of 30311552212104 in words is "thirty trillion, three hundred eleven billion, five hundred fifty-two million, two hundred twelve thousand, one hundred four".

Divisors: 1 2 3 4 6 8 12 24 5233 10466 15699 20932 31398 41864 62796 125592 241349387 482698774 724048161 965397548 1448096322 1930795096 2896192644 5792385288 1262981342171 2525962684342 3788944026513 5051925368684 7577888053026 10103850737368 15155776106052 30311552212104