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2031021001120 = 25512693881257
BaseRepresentation
bin11101100011100010010…
…010010000100110100000
321012011102100022222120111
4131203202102100212200
5231234012334013440
64153012124421104
7266510410443406
oct35434222204640
97164370288514
102031021001120
117133954520a1
122897609a7794
131196a830a637
1470432751476
1537c715854ea
hex1d8e24909a0

2031021001120 has 24 divisors (see below), whose sum is σ = 4798287115524. Its totient is φ = 812408400384.

The previous prime is 2031021001117. The next prime is 2031021001127. The reversal of 2031021001120 is 211001201302.

It can be written as a sum of positive squares in 2 ways, for example, as 1866863134224 + 164157866896 = 1366332^2 + 405164^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2031021001120.

It is not an unprimeable number, because it can be changed into a prime (2031021001127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6346940469 + ... + 6346940788.

Almost surely, 22031021001120 is an apocalyptic number.

2031021001120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2031021001120 is an abundant number, since it is smaller than the sum of its proper divisors (2767266114404).

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

2031021001120 is a wasteful number, since it uses less digits than its factorization.

2031021001120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12693881272 (or 12693881264 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 2031021001120 its reverse (211001201302), we get a palindrome (2242022202422).

The spelling of 2031021001120 in words is "two trillion, thirty-one billion, twenty-one million, one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 12693881257 25387762514 50775525028 63469406285 101551050056 126938812570 203102100112 253877625140 406204200224 507755250280 1015510500560 2031021001120