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225385611401 = 713174445231
BaseRepresentation
bin1101000111101000000…
…1111000000010001001
3210112202111210100201002
43101322001320002021
512143042204031101
6251312443504345
722166160041606
oct3217201700211
9715674710632
10225385611401
1187649335835
12378212280b5
131833b6c9a02
14aca17656ad
155ce1e16d6b
hex347a078089

225385611401 has 4 divisors (see below), whose sum is σ = 228560056704. Its totient is φ = 222211166100.

The previous prime is 225385611391. The next prime is 225385611403. The reversal of 225385611401 is 104116583522.

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 225385611401 - 230 = 224311869577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225385611403) 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, 1587222545 + ... + 1587222686.

It is an arithmetic number, because the mean of its divisors is an integer number (57140014176).

Almost surely, 2225385611401 is an apocalyptic number.

It is an amenable number.

225385611401 is a deficient number, since it is larger than the sum of its proper divisors (3174445303).

225385611401 is an equidigital number, since it uses as much as digits as its factorization.

225385611401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3174445302.

The product of its (nonzero) digits is 57600, while the sum is 38.

The spelling of 225385611401 in words is "two hundred twenty-five billion, three hundred eighty-five million, six hundred eleven thousand, four hundred one".

Divisors: 1 71 3174445231 225385611401