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210153430054 = 2787133515521
BaseRepresentation
bin1100001110111000011…
…1101101110000100110
3202002102221202101002101
43003232013231300212
511420343234230204
6240313153202314
721116540452621
oct3035607556046
9662387671071
10210153430054
1181142150507
123488bb6039a
1316a81a39859
14a258782db8
1556eea3cea4
hex30ee1edc26

210153430054 has 8 divisors (see below), whose sum is σ = 315630694008. Its totient is φ = 104943198720.

The previous prime is 210153430051. The next prime is 210153430057. The reversal of 210153430054 is 450034351012.

It is an interprime number because it is at equal distance from previous prime (210153430051) and next prime (210153430057).

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

It is a super-2 number, since 2×2101534300542 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210153430051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66756187 + ... + 66759334.

It is an arithmetic number, because the mean of its divisors is an integer number (39453836751).

Almost surely, 2210153430054 is an apocalyptic number.

210153430054 is a deficient number, since it is larger than the sum of its proper divisors (105477263954).

210153430054 is a wasteful number, since it uses less digits than its factorization.

210153430054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133516310.

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

Adding to 210153430054 its reverse (450034351012), we get a palindrome (660187781066).

The spelling of 210153430054 in words is "two hundred ten billion, one hundred fifty-three million, four hundred thirty thousand, fifty-four".

Divisors: 1 2 787 1574 133515521 267031042 105076715027 210153430054