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305112002305420 = 22515255600115271
BaseRepresentation
bin100010101011111110110110…
…0100000111001110110001100
31111000022102102001011100022101
41011113331230200321312030
5304442423340042233140
63000530304022524444
7121160420564225632
oct10527755440716614
91430272361140271
10305112002305420
1189244301058862
122a278900296724
1310132c2776978b
14554b6dd29b352
1525419e3d4399a
hex1157f6c839d8c

305112002305420 has 12 divisors (see below), whose sum is σ = 640735204841424. Its totient is φ = 122044800922160.

The previous prime is 305112002305391. The next prime is 305112002305493. The reversal of 305112002305420 is 24503200211503.

It is a super-2 number, since 2×3051120023054202 (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7627800057616 + ... + 7627800057655.

It is an arithmetic number, because the mean of its divisors is an integer number (53394600403452).

Almost surely, 2305112002305420 is an apocalyptic number.

It is an amenable number.

305112002305420 is an abundant number, since it is smaller than the sum of its proper divisors (335623202536004).

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

305112002305420 is a wasteful number, since it uses less digits than its factorization.

305112002305420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15255600115280 (or 15255600115278 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 305112002305420 its reverse (24503200211503), we get a palindrome (329615202516923).

The spelling of 305112002305420 in words is "three hundred five trillion, one hundred twelve billion, two million, three hundred five thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 15255600115271 30511200230542 61022400461084 76278000576355 152556001152710 305112002305420