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255155031401 = 1926011176041
BaseRepresentation
bin1110110110100001101…
…1001100110101101001
3220101121012012120210012
43231220123030311221
513140024142001101
6313114441501305
724301656660554
oct3555033146551
9811535176705
10255155031401
11992353aa686
124154aaa1835
131b0a408b82a
14c4c730b69b
156985695bbb
hex3b686ccd69

255155031401 has 12 divisors (see below), whose sum is σ = 269739345204. Its totient is φ = 241323408000.

The previous prime is 255155031389. The next prime is 255155031407. The reversal of 255155031401 is 104130551552.

It can be written as a sum of positive squares in 2 ways, for example, as 213079176025 + 42075855376 = 461605^2 + 205124^2 .

It is not a de Polignac number, because 255155031401 - 218 = 255154769257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255155031407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 371060 + ... + 804981.

It is an arithmetic number, because the mean of its divisors is an integer number (22478278767).

Almost surely, 2255155031401 is an apocalyptic number.

It is an amenable number.

255155031401 is a deficient number, since it is larger than the sum of its proper divisors (14584313803).

255155031401 is a wasteful number, since it uses less digits than its factorization.

255155031401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176680 (or 1176661 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 32.

Adding to 255155031401 its reverse (104130551552), we get a palindrome (359285582953).

The spelling of 255155031401 in words is "two hundred fifty-five billion, one hundred fifty-five million, thirty-one thousand, four hundred one".

Divisors: 1 19 361 601 11419 216961 1176041 22344779 424550801 706800641 13429212179 255155031401