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1430664405461 = 173731365911027
BaseRepresentation
bin10100110100011010001…
…111100110000111010101
312001202210110110222210122
4110310122033212013111
5141420000041433321
63013123235201325
7205235124541034
oct24643217460725
95052713428718
101430664405461
11501817839a45
121b1332746245
13a4bac827aa5
144d35cda471b
15273352798ab
hex14d1a3e61d5

1430664405461 has 32 divisors (see below), whose sum is σ = 1563242820480. Its totient is φ = 1303829968896.

The previous prime is 1430664405437. The next prime is 1430664405473. The reversal of 1430664405461 is 1645044660341.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-1430664405461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1430664005461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129736430 + ... + 129747456.

It is an arithmetic number, because the mean of its divisors is an integer number (48851338140).

Almost surely, 21430664405461 is an apocalyptic number.

It is an amenable number.

1430664405461 is a deficient number, since it is larger than the sum of its proper divisors (132578415019).

1430664405461 is a wasteful number, since it uses less digits than its factorization.

1430664405461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12053.

The product of its (nonzero) digits is 829440, while the sum is 44.

The spelling of 1430664405461 in words is "one trillion, four hundred thirty billion, six hundred sixty-four million, four hundred five thousand, four hundred sixty-one".

Divisors: 1 17 37 313 629 659 5321 11027 11203 11581 24383 187459 196877 206267 407999 414511 3451451 3506539 6935983 7266793 7631879 58674667 123535481 127703687 129741943 268871341 2170962679 2274506209 4570812797 38666605553 84156729733 1430664405461