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420121311230 = 25113409909019
BaseRepresentation
bin1100001110100010010…
…11100111011111111110
31111011101222100212222002
412013101023213133332
523340402023424410
6521000121422302
742231666136655
oct6072113473776
91434358325862
10420121311230
11152199589335
126950993a992
13308041ab96a
141649662619c
15addd1287a5
hex61d12e77fe

420121311230 has 32 divisors (see below), whose sum is σ = 764776706400. Its totient is φ = 166153946112.

The previous prime is 420121311223. The next prime is 420121311293. The reversal of 420121311230 is 32113121024.

It is a super-2 number, since 2×4201213112302 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7661 + ... + 916679.

It is an arithmetic number, because the mean of its divisors is an integer number (23899272075).

Almost surely, 2420121311230 is an apocalyptic number.

420121311230 is a deficient number, since it is larger than the sum of its proper divisors (344655395170).

420121311230 is a wasteful number, since it uses less digits than its factorization.

420121311230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909548.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 420121311230 its reverse (32113121024), we get a palindrome (452234432254).

The spelling of 420121311230 in words is "four hundred twenty billion, one hundred twenty-one million, three hundred eleven thousand, two hundred thirty".

Divisors: 1 2 5 10 113 226 409 565 818 1130 2045 4090 46217 92434 231085 462170 909019 1818038 4545095 9090190 102719147 205438294 371788771 513595735 743577542 1027191470 1858943855 3717887710 42012131123 84024262246 210060655615 420121311230