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1007040210421 = 7220551841029
BaseRepresentation
bin11101010011110000100…
…01100010010111110101
310120021100100211011121011
432221320101202113311
5112444404243213141
62050343342352221
7132520252360600
oct16517021422765
93507310734534
101007040210421
113590a0a44213
1214320788b671
1373c6aa1001b
1436a5346d337
151b2de874881
hexea784625f5

1007040210421 has 6 divisors (see below), whose sum is σ = 1171454938710. Its totient is φ = 863177323176.

The previous prime is 1007040210419. The next prime is 1007040210427. The reversal of 1007040210421 is 1240120407001.

It can be written as a sum of positive squares in only one way, i.e., 756525946225 + 250514264196 = 869785^2 + 500514^2 .

It is not a de Polignac number, because 1007040210421 - 21 = 1007040210419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1007040210392 and 1007040210401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1007040210427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10275920466 + ... + 10275920563.

It is an arithmetic number, because the mean of its divisors is an integer number (195242489785).

Almost surely, 21007040210421 is an apocalyptic number.

It is an amenable number.

1007040210421 is a deficient number, since it is larger than the sum of its proper divisors (164414728289).

1007040210421 is an equidigital number, since it uses as much as digits as its factorization.

1007040210421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20551841043 (or 20551841036 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 1007040210421 its reverse (1240120407001), we get a palindrome (2247160617422).

The spelling of 1007040210421 in words is "one trillion, seven billion, forty million, two hundred ten thousand, four hundred twenty-one".

Divisors: 1 7 49 20551841029 143862887203 1007040210421