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6407660397601 = 33741945379067
BaseRepresentation
bin101110100111110011001…
…0100100110010000100001
3211200120021212111102212201
41131033212110212100201
51314440342030210401
621343345532053201
71230636540501661
oct135174624462041
924616255442781
106407660397601
112050523279961
12875a20604201
13376316a58888
141821bd4d81a1
15b1a28148b01
hex5d3e6526421

6407660397601 has 8 divisors (see below), whose sum is σ = 6442012493280. Its totient is φ = 6373399061568.

The previous prime is 6407660397571. The next prime is 6407660397629. The reversal of 6407660397601 is 1067930667046.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6407660397601 is a prime.

It is a super-2 number, since 2×64076603976012 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6407660397001) 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, 22548331 + ... + 22830736.

It is an arithmetic number, because the mean of its divisors is an integer number (805251561660).

Almost surely, 26407660397601 is an apocalyptic number.

It is an amenable number.

6407660397601 is a deficient number, since it is larger than the sum of its proper divisors (34352095679).

6407660397601 is a wasteful number, since it uses less digits than its factorization.

6407660397601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45379823.

The product of its (nonzero) digits is 6858432, while the sum is 55.

The spelling of 6407660397601 in words is "six trillion, four hundred seven billion, six hundred sixty million, three hundred ninety-seven thousand, six hundred one".

Divisors: 1 337 419 141203 45379067 15292745579 19013829073 6407660397601