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235395072001 = 372171946729
BaseRepresentation
bin1101101100111010100…
…0111100000000000001
3211111121002100122100001
43123032220330000001
512324042114301001
6300050005200001
723002211045515
oct3331650740001
9744532318301
10235395072001
1190915421721
1239755400001
131927534a36b
14b570c6c145
1561caa43001
hex36cea3c001

235395072001 has 6 divisors (see below), whose sum is σ = 241929049110. Its totient is φ = 229033041696.

The previous prime is 235395071887. The next prime is 235395072013. The reversal of 235395072001 is 100270593532.

It can be written as a sum of positive squares in 3 ways, for example, as 105380741376 + 130014330625 = 324624^2 + 360575^2 .

It is not a de Polignac number, because 235395072001 - 215 = 235395039233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (235395072041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 85971996 + ... + 85974733.

It is an arithmetic number, because the mean of its divisors is an integer number (40321508185).

Almost surely, 2235395072001 is an apocalyptic number.

It is an amenable number.

235395072001 is a deficient number, since it is larger than the sum of its proper divisors (6533977109).

235395072001 is an equidigital number, since it uses as much as digits as its factorization.

235395072001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171946803 (or 171946766 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 37.

The spelling of 235395072001 in words is "two hundred thirty-five billion, three hundred ninety-five million, seventy-two thousand, one".

Divisors: 1 37 1369 171946729 6362028973 235395072001