Search a number
-
+
6407074688401 = 143337441119417
BaseRepresentation
bin101110100111100001101…
…1010010010110110010001
3211200111210001101022220101
41131033003122102312101
51314433142110012101
621343211450212401
71230616166162662
oct135170332226621
924614701338811
106407074688401
1120502526a1972
12875898424101
133762525c489a
141821657d1369
15b19e1a00401
hex5d3c3692d91

6407074688401 has 8 divisors (see below), whose sum is σ = 6411770716104. Its totient is φ = 6402378977280.

The previous prime is 6407074688387. The next prime is 6407074688411. The reversal of 6407074688401 is 1048864707046.

It is a Cunningham number, because it is equal to 25312202+1.

It can be written as a sum of positive squares in 4 ways, for example, as 3421094144400 + 2985980544001 = 1849620^2 + 1727999^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 6407074688401 - 217 = 6407074557329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6407074688411) 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, 53593245 + ... + 53712661.

It is an arithmetic number, because the mean of its divisors is an integer number (801471339513).

Almost surely, 26407074688401 is an apocalyptic number.

It is an amenable number.

6407074688401 is a deficient number, since it is larger than the sum of its proper divisors (4696027703).

6407074688401 is a wasteful number, since it uses less digits than its factorization.

6407074688401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158291.

The product of its (nonzero) digits is 7225344, while the sum is 55.

The spelling of 6407074688401 in words is "six trillion, four hundred seven billion, seventy-four million, six hundred eighty-eight thousand, four hundred one".

Divisors: 1 1433 37441 119417 53652953 171124561 4471091897 6407074688401