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512130023251423 = 29587176811701521
BaseRepresentation
bin111010001110001111001000…
…0000111010101110111011111
32111011022011002212100021210121
41310130132100013111313133
51014111214241423021143
65013113141301215411
7212605113252405103
oct16434362007256737
92434264085307717
10512130023251423
111391a9139a17955
1249532290701567
1318c9b866a09425
149067322637903
153e31a257267ed
hex1d1c7901d5ddf

512130023251423 has 16 divisors (see below), whose sum is σ = 530722543750560. Its totient is φ = 493599790028800.

The previous prime is 512130023251291. The next prime is 512130023251471. The reversal of 512130023251423 is 324152320031215.

It is a cyclic number.

It is not a de Polignac number, because 512130023251423 - 213 = 512130023243231 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 (512130023258423) 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, 300132903 + ... + 301834423.

It is an arithmetic number, because the mean of its divisors is an integer number (33170158984410).

Almost surely, 2512130023251423 is an apocalyptic number.

512130023251423 is a deficient number, since it is larger than the sum of its proper divisors (18592520499137).

512130023251423 is a wasteful number, since it uses less digits than its factorization.

512130023251423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1719818.

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 512130023251423 its reverse (324152320031215), we get a palindrome (836282343282638).

The spelling of 512130023251423 in words is "five hundred twelve trillion, one hundred thirty billion, twenty-three million, two hundred fifty-one thousand, four hundred twenty-three".

Divisors: 1 29 587 17023 17681 512749 1701521 10378747 49344109 300983663 998792827 28964991983 30084592801 872453191229 17659655974187 512130023251423