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42120343204301 = 769334931635353
BaseRepresentation
bin10011001001110111010000…
…00110000011000111001101
312112010122222010202001120102
421210323220012003013031
521010044430330014201
6225325452445500445
711605044240645605
oct1144735006030715
9175118863661512
1042120343204301
111246a15673349a
124883255871725
131a66c1516015b
14a588c7acdc05
154d09a7d9526b
hex264ee81831cd

42120343204301 has 8 divisors (see below), whose sum is σ = 42176401094520. Its totient is φ = 42064288653312.

The previous prime is 42120343204267. The next prime is 42120343204363. The reversal of 42120343204301 is 10340234302124.

It can be written as a sum of positive squares in 4 ways, for example, as 32023137892201 + 10097205312100 = 5658899^2 + 3177610^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42120343204301 - 226 = 42120276095437 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 (42120343204391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24938441 + ... + 26573793.

It is an arithmetic number, because the mean of its divisors is an integer number (5272050136815).

Almost surely, 242120343204301 is an apocalyptic number.

It is an amenable number.

42120343204301 is a deficient number, since it is larger than the sum of its proper divisors (56057890219).

42120343204301 is a wasteful number, since it uses less digits than its factorization.

42120343204301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669615.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 42120343204301 its reverse (10340234302124), we get a palindrome (52460577506425).

The spelling of 42120343204301 in words is "forty-two trillion, one hundred twenty billion, three hundred forty-three million, two hundred four thousand, three hundred one".

Divisors: 1 769 33493 1635353 25756117 1257586457 54772878029 42120343204301