Search a number
-
+
402531120140000 = 255420126556007
BaseRepresentation
bin101101110000110011001010…
…0011011010100111011100000
31221210020121011212100120221012
41123201212110123110323200
5410230032213223440000
63544040124351520052
7150533625256063145
oct13341462433247340
91853217155316835
10402531120140000
11107293542399745
1239191289829028
131437b6a23a79c7
1471588784283cc
153180b58d7b735
hex16e19946d4ee0

402531120140000 has 60 divisors (see below), whose sum is σ = 990286935261624. Its totient is φ = 161012448048000.

The previous prime is 402531120139997. The next prime is 402531120140021. The reversal of 402531120140000 is 41021135204.

It is a super-2 number, since 2×4025311201400002 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10063258004 + ... + 10063298003.

Almost surely, 2402531120140000 is an apocalyptic number.

402531120140000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402531120140000 is an abundant number, since it is smaller than the sum of its proper divisors (587755815121624).

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

402531120140000 is an equidigital number, since it uses as much as digits as its factorization.

402531120140000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20126556037 (or 20126556014 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 402531120140000 its reverse (41021135204), we get a palindrome (402572141275204).

The spelling of 402531120140000 in words is "four hundred two trillion, five hundred thirty-one billion, one hundred twenty million, one hundred forty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 625 800 1000 1250 2000 2500 4000 5000 10000 20000 20126556007 40253112014 80506224028 100632780035 161012448056 201265560070 322024896112 402531120140 503163900175 644049792224 805062240280 1006327800350 1610124480560 2012655600700 2515819500875 3220248961120 4025311201400 5031639001750 8050622402800 10063278003500 12579097504375 16101244805600 20126556007000 25158195008750 40253112014000 50316390017500 80506224028000 100632780035000 201265560070000 402531120140000