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143983061401 = 3794512
BaseRepresentation
bin1000011000011000001…
…1110010100110011001
3111202122102112100210211
42012012003302212121
54324334130431101
6150051144411121
713255014554134
oct2060603624631
9452572470724
10143983061401
1156076759123
1223aa3776aa1
1310767b3286a
146d7c61321b
153b2a74cc51
hex21860f2999

143983061401 has 3 divisors (see below), whose sum is σ = 143983440853. Its totient is φ = 143982681950.

The previous prime is 143983061371. The next prime is 143983061407. The reversal of 143983061401 is 104160389341.

The square root of 143983061401 is 379451.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 143983061401 - 213 = 143983053209 is a prime.

It is a super-2 number, since 2×1439830614012 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143983061407) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 189726 + ... + 569176.

Almost surely, 2143983061401 is an apocalyptic number.

143983061401 is the 379451-st square number.

143983061401 is the 189726-th centered octagonal number.

It is an amenable number.

143983061401 is a deficient number, since it is larger than the sum of its proper divisors (379452).

143983061401 is an frugal number, since it uses more digits than its factorization.

143983061401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758902 (or 379451 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The spelling of 143983061401 in words is "one hundred forty-three billion, nine hundred eighty-three million, sixty-one thousand, four hundred one".

Divisors: 1 379451 143983061401