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1430012623 = 13269340847
BaseRepresentation
bin101010100111100…
…0100001011001111
310200122211011112111
41111033010023033
510412040400443
6353522044451
750302623004
oct12517041317
93618734474
101430012623
11674228716
1233aaa9727
1319a359420
14d7cc58ab
158582269d
hex553c42cf

1430012623 has 8 divisors (see below), whose sum is σ = 1540623168. Its totient is φ = 1319489184.

The previous prime is 1430012611. The next prime is 1430012693. The reversal of 1430012623 is 3262100341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-1430012623 is a prime.

It is a super-2 number, since 2×14300126232 = 4089872203878680258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1430012594 and 1430012603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1430012693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14586 + ... + 55432.

It is an arithmetic number, because the mean of its divisors is an integer number (192577896).

Almost surely, 21430012623 is an apocalyptic number.

1430012623 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1430012623 is a deficient number, since it is larger than the sum of its proper divisors (110610545).

1430012623 is a wasteful number, since it uses less digits than its factorization.

1430012623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43553.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1430012623 is about 37815.5077051730. The cubic root of 1430012623 is about 1126.6264863282.

Adding to 1430012623 its reverse (3262100341), we get a palindrome (4692112964).

The spelling of 1430012623 in words is "one billion, four hundred thirty million, twelve thousand, six hundred twenty-three".

Divisors: 1 13 2693 35009 40847 531011 110000971 1430012623