Search a number
-
+
1255204213432 = 231350377239579
BaseRepresentation
bin10010010001000000000…
…000000101001010111000
311102222220100011201022221
4102101000000011022320
5131031124234312212
62400344410253424
7156454062526501
oct22210000051270
94388810151287
101255204213432
11444369067784
12183325427274
13914995b7360
1444a760b7ba8
15229b63c4807
hex124400052b8

1255204213432 has 32 divisors (see below), whose sum is σ = 2534607860400. Its totient is φ = 579311103744.

The previous prime is 1255204213399. The next prime is 1255204213441. The reversal of 1255204213432 is 2343124025521.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5119419 + ... + 5358997.

Almost surely, 21255204213432 is an apocalyptic number.

It is an amenable number.

1255204213432 is an abundant number, since it is smaller than the sum of its proper divisors (1279403646968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1255204213432 is a wasteful number, since it uses less digits than its factorization.

1255204213432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289975 (or 289971 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 1255204213432 its reverse (2343124025521), we get a palindrome (3598328238953).

The spelling of 1255204213432 in words is "one trillion, two hundred fifty-five billion, two hundred four million, two hundred thirteen thousand, four hundred thirty-two".

Divisors: 1 2 4 8 13 26 52 104 50377 100754 201508 239579 403016 479158 654901 958316 1309802 1916632 2619604 3114527 5239208 6229054 12458108 24916216 12069271283 24138542566 48277085132 96554170264 156900526679 313801053358 627602106716 1255204213432