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1431420616553 = 19472416651181
BaseRepresentation
bin10100110101000111010…
…100010011111101101001
312001211202011102111101212
4110311013110103331221
5141423022134212203
63013330251322505
7205262636326064
oct24650724237551
95054664374355
101431420616553
11502075691594
121b1503a50435
13a4ca03b8685
144d3d15b18db
152737b8521d8
hex14d47513f69

1431420616553 has 16 divisors (see below), whose sum is σ = 1545202602240. Its totient is φ = 1321722489600.

The previous prime is 1431420616537. The next prime is 1431420616589. The reversal of 1431420616553 is 3556160241341.

It is a cyclic number.

It is not a de Polignac number, because 1431420616553 - 24 = 1431420616537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1431420616553.

It is not an unprimeable number, because it can be changed into a prime (1431420616513) 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, 3110378 + ... + 3540803.

It is an arithmetic number, because the mean of its divisors is an integer number (96575162640).

Almost surely, 21431420616553 is an apocalyptic number.

It is an amenable number.

1431420616553 is a deficient number, since it is larger than the sum of its proper divisors (113781985687).

1431420616553 is a wasteful number, since it uses less digits than its factorization.

1431420616553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6651488.

The product of its (nonzero) digits is 259200, while the sum is 41.

Adding to 1431420616553 its reverse (3556160241341), we get a palindrome (4987580857894).

The spelling of 1431420616553 in words is "one trillion, four hundred thirty-one billion, four hundred twenty million, six hundred sixteen thousand, five hundred fifty-three".

Divisors: 1 19 47 241 893 4579 11327 215213 6651181 126372439 312605507 1602934621 5939504633 30455757799 75337927187 1431420616553