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204707707401 = 3358319044349
BaseRepresentation
bin1011111010100110000…
…1111011101000001001
3201120101102122222222210
42332221201323220021
511323220133114101
6234012540335333
720534563542321
oct2765141735011
9646342588883
10204707707401
11798a818947a
1233810244549
13163c474b162
149c9d418281
1554d18e07d6
hex2fa987ba09

204707707401 has 8 divisors (see below), whose sum is σ = 273019801600. Its totient is φ = 136433709072.

The previous prime is 204707707387. The next prime is 204707707403. The reversal of 204707707401 is 104707707402.

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

It is not a de Polignac number, because 204707707401 - 27 = 204707707273 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 204707707401.

It is not an unprimeable number, because it can be changed into a prime (204707707403) 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, 9511426 + ... + 9532923.

It is an arithmetic number, because the mean of its divisors is an integer number (34127475200).

Almost surely, 2204707707401 is an apocalyptic number.

It is an amenable number.

204707707401 is a deficient number, since it is larger than the sum of its proper divisors (68312094199).

204707707401 is a wasteful number, since it uses less digits than its factorization.

204707707401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19047935.

The product of its (nonzero) digits is 76832, while the sum is 39.

Subtracting from 204707707401 its reverse (104707707402), we obtain a palindrome (99999999999).

The spelling of 204707707401 in words is "two hundred four billion, seven hundred seven million, seven hundred seven thousand, four hundred one".

Divisors: 1 3 3583 10749 19044349 57133047 68235902467 204707707401