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420121111341 = 31973457220933
BaseRepresentation
bin1100001110100010010…
…10110110101100101101
31111011101221222201202210
412013101022312230231
523340402001030331
6521000113241033
742231664345131
oct6072112665455
91434357881683
10420121111341
11152199462138
1269509863179
133080413b999
14164965b33c1
15addd0d9446
hex61d12b6b2d

420121111341 has 32 divisors (see below), whose sum is σ = 599031610240. Its totient is φ = 261131019264.

The previous prime is 420121111331. The next prime is 420121111357. The reversal of 420121111341 is 143111121024.

It is a de Polignac number, because none of the positive numbers 2k-420121111341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420121111301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1791111 + ... + 2012043.

It is an arithmetic number, because the mean of its divisors is an integer number (18719737820).

Almost surely, 2420121111341 is an apocalyptic number.

It is an amenable number.

420121111341 is a deficient number, since it is larger than the sum of its proper divisors (178910498899).

420121111341 is a wasteful number, since it uses less digits than its factorization.

420121111341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221485.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 420121111341 its reverse (143111121024), we get a palindrome (563232232365).

The spelling of 420121111341 in words is "four hundred twenty billion, one hundred twenty-one million, one hundred eleven thousand, three hundred forty-one".

Divisors: 1 3 19 57 73 219 457 1371 1387 4161 8683 26049 33361 100083 220933 633859 662799 1901577 4197727 12593181 16128109 48384327 100966381 302899143 306434071 919302213 1918361239 5755083717 7370545813 22111637439 140040370447 420121111341