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400248038201 = 1136386185291
BaseRepresentation
bin1011101001100001010…
…01000110001100111001
31102021002222022000102212
411310300221012030321
523024201444210301
6503512120304505
740626343122314
oct5646051061471
91367088260385
10400248038201
11144820646150
12656a2312135
132b987b44acb
141552d0cb97b
15a6285914bb
hex5d30a46339

400248038201 has 4 divisors (see below), whose sum is σ = 436634223504. Its totient is φ = 363861852900.

The previous prime is 400248038159. The next prime is 400248038219. The reversal of 400248038201 is 102830842004.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 400248038201 - 26 = 400248038137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400248031201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18193092635 + ... + 18193092656.

It is an arithmetic number, because the mean of its divisors is an integer number (109158555876).

Almost surely, 2400248038201 is an apocalyptic number.

It is an amenable number.

400248038201 is a deficient number, since it is larger than the sum of its proper divisors (36386185303).

400248038201 is a wasteful number, since it uses less digits than its factorization.

400248038201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36386185302.

The product of its (nonzero) digits is 12288, while the sum is 32.

It can be divided in two parts, 40024803 and 8201, that added together give a palindrome (40033004).

The spelling of 400248038201 in words is "four hundred billion, two hundred forty-eight million, thirty-eight thousand, two hundred one".

Divisors: 1 11 36386185291 400248038201