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1490157023349 = 3798970646993
BaseRepresentation
bin10101101011110100010…
…001111011000001110101
312021110100121100010010210
4111223310101323001311
5143403320144221344
63100322500340033
7212442323464431
oct25536421730165
95243317303123
101490157023349
11524a76878345
122009766a4619
13aa6a1116a77
14521a42dd9c1
1528b681a6db9
hex15af447b075

1490157023349 has 16 divisors (see below), whose sum is σ = 2034633427200. Its totient is φ = 969841906176.

The previous prime is 1490157023273. The next prime is 1490157023393. The reversal of 1490157023349 is 9433207510941.

It is not a de Polignac number, because 1490157023349 - 28 = 1490157023093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1490157023298 and 1490157023307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490157023549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35302404 + ... + 35344589.

It is an arithmetic number, because the mean of its divisors is an integer number (127164589200).

Almost surely, 21490157023349 is an apocalyptic number.

It is an amenable number.

1490157023349 is a deficient number, since it is larger than the sum of its proper divisors (544476403851).

1490157023349 is an equidigital number, since it uses as much as digits as its factorization.

1490157023349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70647164.

The product of its (nonzero) digits is 816480, while the sum is 48.

The spelling of 1490157023349 in words is "one trillion, four hundred ninety billion, one hundred fifty-seven million, twenty-three thousand, three hundred forty-nine".

Divisors: 1 3 79 89 237 267 7031 21093 70646993 211940979 5581112447 6287582377 16743337341 18862747131 496719007783 1490157023349