Search a number
-
+
1201450315420 = 225678693103141
BaseRepresentation
bin10001011110111100000…
…001001110111010011100
311020212011010201202201101
4101132330001032322130
5124141032240043140
62315534425522444
7152542026115615
oct21367401167234
94225133652641
101201450315420
11423594421583
12174a23343424
13893b0c02304
1442216db6c0c
15213bc1bd99a
hex117bc04ee9c

1201450315420 has 48 divisors (see below), whose sum is σ = 2561022461088. Its totient is φ = 473348240640.

The previous prime is 1201450315381. The next prime is 1201450315463. The reversal of 1201450315420 is 245130541021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11597050 + ... + 11700190.

It is an arithmetic number, because the mean of its divisors is an integer number (53354634606).

Almost surely, 21201450315420 is an apocalyptic number.

1201450315420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201450315420 is an abundant number, since it is smaller than the sum of its proper divisors (1359572145668).

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

1201450315420 is a wasteful number, since it uses less digits than its factorization.

1201450315420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111910 (or 111908 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 1201450315420 its reverse (245130541021), we get a palindrome (1446580856441).

The spelling of 1201450315420 in words is "one trillion, two hundred one billion, four hundred fifty million, three hundred fifteen thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 67 134 268 335 670 1340 8693 17386 34772 43465 86930 103141 173860 206282 412564 515705 582431 1031410 1164862 2062820 2329724 2912155 5824310 6910447 11648620 13820894 27641788 34552235 69104470 138208940 896604713 1793209426 3586418852 4483023565 8966047130 17932094260 60072515771 120145031542 240290063084 300362578855 600725157710 1201450315420