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405070442901 = 32231956862043
BaseRepresentation
bin1011110010100000001…
…01000111000110010101
31102201120001111120001100
411321100011013012111
523114041013133101
6510030425220313
741160010645245
oct5712005070625
91381501446040
10405070442901
11146875783183
1266609331699
132c275c62207
141586975db25
15a80bb16e86
hex5e50147195

405070442901 has 12 divisors (see below), whose sum is σ = 610540957728. Its totient is φ = 258305789544.

The previous prime is 405070442879. The next prime is 405070442951. The reversal of 405070442901 is 109244070504.

It is a happy number.

It is not a de Polignac number, because 405070442901 - 29 = 405070442389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405070442951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 978430815 + ... + 978431228.

It is an arithmetic number, because the mean of its divisors is an integer number (50878413144).

Almost surely, 2405070442901 is an apocalyptic number.

It is an amenable number.

405070442901 is a deficient number, since it is larger than the sum of its proper divisors (205470514827).

405070442901 is a wasteful number, since it uses less digits than its factorization.

405070442901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1956862072 (or 1956862069 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 405070442901 in words is "four hundred five billion, seventy million, four hundred forty-two thousand, nine hundred one".

Divisors: 1 3 9 23 69 207 1956862043 5870586129 17611758387 45007826989 135023480967 405070442901