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143523415434 = 23722717238737
BaseRepresentation
bin1000010110101010101…
…0011000010110001010
3111201110101121221002010
42011222222120112022
54322413443243214
6145533404520350
713240433621340
oct2055252302612
9451411557063
10143523415434
1155960254323
12239958500b6
13106c38394b9
146d37563990
153b00206659
hex216aa9858a

143523415434 has 64 divisors (see below), whose sum is σ = 329727661056. Its totient is φ = 40797679104.

The previous prime is 143523415403. The next prime is 143523415457. The reversal of 143523415434 is 434514325341.

It is a junction number, because it is equal to n+sod(n) for n = 143523415392 and 143523415401.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16422714 + ... + 16431450.

It is an arithmetic number, because the mean of its divisors is an integer number (5151994704).

Almost surely, 2143523415434 is an apocalyptic number.

143523415434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

143523415434 is an abundant number, since it is smaller than the sum of its proper divisors (186204245622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143523415434 is a wasteful number, since it uses less digits than its factorization.

143523415434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10699.

The product of its digits is 345600, while the sum is 39.

The spelling of 143523415434 in words is "one hundred forty-three billion, five hundred twenty-three million, four hundred fifteen thousand, four hundred thirty-four".

Divisors: 1 2 3 6 7 14 21 42 227 454 681 1362 1589 1723 3178 3446 4767 5169 8737 9534 10338 12061 17474 24122 26211 36183 52422 61159 72366 122318 183477 366954 391121 782242 1173363 1983299 2346726 2737847 3966598 5475694 5949897 8213541 11899794 13883093 15053851 16427082 27766186 30107702 41649279 45161553 83298558 90323106 105376957 210753914 316130871 632261742 3417224177 6834448354 10251672531 20503345062 23920569239 47841138478 71761707717 143523415434